Task: Question Answering
Input (English): Paragraph: The rocket goes upwards because the hot gases shoot downwards out of the nozzle. The faster the gases go downwards, the faster the rocket goes upwards.
 Question: Boris was tasked with developing a hypersonic rocket. He built two prototypes that were identical except that they have different gas velocities out of the nozzle. Which rocket was likely the slowest? 
 Choices: A)the rocket with highest gas velocity 
B)the rocket with lowest gas velocity
Output (English): the rocket with lowest gas velocity