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: The SOKO G - 2 Galeb ( English : Seagull ) is a single engine , two - seater advanced jet trainer and light ground - attack aircraft that was designed by ATI and manufactured by SOKO of Yugoslavia . G - 2 Galeb was the first jet aircraft serial manufactured in Yugoslavia and the Balkans ., A jet aircraft (or simply jet) is an aircraft (nearly always a fixed-wing aircraft) propelled by jet engines (jet propulsion)., Flight training is a course of study used when learning to pilot an aircraft. The overall purpose of primary and intermediate flight training is the acquisition and honing of basic airmanship skills., A jet trainer is a jet aircraft for use as a trainer, whether for basic or advanced flight training. Jet trainers are either custom designs or modifications of existing aircraft. With the introduction of military jet-powered aircraft towards the end of the second world war it became a requirement to train pilots in the handling of such aircraft., Subject: soko g-2 galeb, Relation: use, Options: (A) flight training (B) jet trainer (C) propulsion (D) trainer
Output:
flight training