You will be given a definition of a task first, then some input of the task.
In this task, you are given a context, a subject, a relation, and many options. Based on the context, from the options select the object entity that has the given relation with the subject. Answer with text (not indexes).

Context: Anzani was an engine manufacturer founded by the Italian Alessandro Anzani (18771956), which produced proprietary engines for aircraft, cars, boats, and motorcycles in factories in Britain, France and Italy., A cyclecar was a type of small, lightweight and inexpensive car manufactured mainly between 1910 and the late 1920s. Cyclecars were characterised by their use of basic materials and sometimes fragile engineering and were largely contrived to fill a gap in the market between the motorcycle and the car. Their demise was largely the result of production economies in the manufacture of more substantial economy cars such as the Austin 7 and the consequent affordability of such vehicles. Vehicles with similar qualities produced after World WarII, are generally categorized as microcars., An engine or motor is a machine designed to convert one form of energy into mechanical energy. Heat engines burn a fuel to create heat, which then creates a force. Electric motors convert electrical energy into mechanical motion; pneumatic motors use compressed air and clockwork motors in wind-up toys use elastic energy. In biological systems, molecular motors, like myosins in muscles, use chemical energy to create forces and eventually motion., The Santax was a French automobile manufactured by Cyclecars Le Santax of Paris from 1920 until 1927 . A small cyclecar built with Anzani single - cylinder engines of 125 cc , it got its name from being free of tax due to its small engine . A larger 500 cc model followed in 1926 ., An economy car is an automobile that is designed for low cost purchase and operation. Typical economy cars are small (compact or subcompact), lightweight, and inexpensive to buy. Economy car designers are forced by stringent design constraints to be inventive. Many innovations in automobile design were originally developed for economy cars, such as the Ford Model T and the Austin Mini. Gordon Murray, the Formula 1 and Mclaren F1 designer, said when designing his new Murray T.25 city car: "I would say that building a car to sell for six thousand pounds and designing that for a high volume production, where you have all the quality issues under control is a hundred times more difficult than designing a Mclaren F1, or even a racing car. It is certainly the biggest challenge I've ever had from a design point of view." The alternative approach other than innovating to build a low cost car, is build a stripped down no frills version of a conventional car., Myosins comprise a superfamily of ATP-dependent motor proteins and are best known for their role in muscle contraction and their involvement in a wide range of other motility processes in eukaryotes. They are responsible for actin-based motility. The term was originally used to describe a group of similar ATPases found in the cells of both striated muscle tissue and smooth muscle tissue. Following the discovery by Pollard and Korn (1973) of enzymes with myosin-like function in "Acanthamoeba castellanii", a large number of divergent myosin genes have been discovered throughout eukaryotes. Thus, although myosin was originally thought to be restricted to muscle cells (hence "myo-"(s) + "-in"), there is no single "myosin" but rather a huge superfamily of genes whose protein products share the basic properties of actin binding, ATP hydrolysis (ATPase enzyme activity), and force transduction. Virtually all eukaryotic cells contain myosin isoforms. Some isoforms have specialized functions in certain cell types (such as muscle), while other isoforms are ubiquitous. The structure and function of myosin is strongly conserved across species, to the extent that rabbit muscle myosin II will bind to actin from an amoeba., The Austin 7 is an economy car that was produced from 1922 until 1939 in the United Kingdom by Austin. Nicknamed the "Baby Austin" it was at that time one of the most popular cars produced for the British market and sold well abroad. Its effect on the British market was similar to that of the Model T Ford in the US, replacing most other British economy cars and cyclecars of the early 1920s. It was also licensed and copied by companies all over the world. The very first BMW car, the BMW Dixi, was a licensed Austin 7, as were the original American Austins. In France they were made and sold as Rosengarts. In Japan Nissan also used the 7 design as the basis for their first cars, although not under licence., In physics, energy is the property that must be transferred to an object in order to perform work on  or to heat  the object, and can be converted in form, but not created or destroyed. The SI unit of energy is the joule, which is the energy transferred to an object by the mechanical work of moving it a distance of 1 metre against a force of 1 newton., Subject: santax, Relation: inception, Options: (A) 1 (B) 1877 (C) 1910 (D) 1922 (E) 1973 (F) 7
Output:
1922