input: Please answer the following: Extract the answer to the question from the following context. Question: Vegetable oil floats on water because water has a higher what in comparison? Context: Hydrogen is commonly used in power stations as a coolant in generators due to a number of favorable properties that are a direct result of its light diatomic molecules. These include low density, low viscosity, and the highest specific heat and thermal conductivity of all gases.
++++++++++
output: density


input: Please answer the following: Extract the answer to the question from the following context. Question: Which happened first: the French left the state or President Juarez returned to Chihuahua City? Context: After running imperial military affairs in the states of Coahuila and Durango, General Agustín Enrique Brincourt made preparations to invade the state of Chihuahua. On July 8, 1865 Brincourt crossed the Nazas River in northern Durango, heading toward Chihuahua. On July 22 Brincourt crossed the banks of Río Florido into Ciudad Jiménez; one day later he arrived at Valle de Allende where he sent Colonel Pyot with a garrison to take control of Hidalgo del Parral. Brincourt continued through Santa Rosalia de Camargo and Santa Cruz de Rosales. President Juárez remained in the state capital until August 5, 1865 when he left for El Paso del Norte (present-day Ciudad Juárez) due to evidence that the French were to attack the city. On the same day, the President named General Manuel Ojinaga the new governor and placed him in charge of all the republican forces. Meanwhile, General Villagran surprised the imperial forces in control of Hidalgo de Parral; after a short two-hour battle, Colonel Pyot was defeated and forced to retreat. At the Battle of Parral, the French lost 55 men to the Republican forces. On August 13, 1865, the French forces with an estimated 2,500 men arrived at the outskirts of Chihuahua City, and on August 15, 1865, General Brincourt defeated the republican forces, taking control of the state capital. Brincourt designated Tomás Zuloaga as Prefect of Chihuahua. Fearing the French would continue their campaign to El Paso del Norte, President Juárez relocated to El Carrizal, a secluded place in the mountains near El Paso del Norte, in August 1865, . It would have been easy for the French forces to continue in pursuit of President Juárez across the border, but they feared altercations with American forces. General François Achille Bazaine ordered the French troops to retreat back to the state of Durango after only reaching a point one days travel north of Chihuahua City. General Brincourt asked for 1,000 men to be left behind to help maintain control over the state, but his request was denied. After the...
++++++++++
output: French left the state


input: Please answer the following: Extract the answer to the question from the following context. Question: Who were all the people in the RCC who wanted parliamentary elections? Context: In January 1953, Nasser overcame opposition from Naguib and banned all political parties, creating a one-party system under the Liberation Rally, a loosely structured movement whose chief task was to organize pro-RCC rallies and lectures, with Nasser its secretary-general. Despite the dissolution order, Nasser was the only RCC member who still favored holding parliamentary elections, according to his fellow officer Abdel Latif Boghdadi. Although outvoted, he still advocated holding elections by 1956. In March 1953, Nasser led the Egyptian delegation negotiating a British withdrawal from the Suez Canal.
++++++++++
output: Nasser was the only RCC member who still favored holding parliamentary elections


input: Please answer the following: Extract the answer to the question from the following context. Question: What was used as the solution? Context: The tide-predicting machine invented by Sir William Thomson in 1872 was of great utility to navigation in shallow waters. It used a system of pulleys and wires to automatically calculate predicted tide levels for a set period at a particular location.
++++++++++
output:
The tide-predicting machine