You are given a short paragraph, a question and two choices to answer from. Choose the correct answer based on the paragraph and write the answer(not the key).

Input: Consider Input: Paragraph: By using multiple stages, empty fuel containers could drop away. This reduced the mass of the rocket so that it could fly higher.
 Question: David is getting ready to fly into space on a rocket. As the rocket shoots upwards, part of the mass falls away, allowing the rocket to go 
 Choices: A)higher 
B)lower

Output: higher


Input: Consider Input: Paragraph: When a volume of water is cooled, the molecules move less vigorously, so same number of molecules takes up less space and the water is denser.
 Question: Sean is trying to see how fast the water molecules are moving in a container of water. He observes that the molecules are moving very slowly, so the temperature must be 
 Choices: A)cool 
B)warm

Output: cool


Input: Consider Input: Paragraph: With higher levels of dissolved carbon dioxide in ocean water, the water becomes more acidic.
 Question: If high levels of carbon dioxide are absorbed by the oceans, would shellfish that can be easily killed by acidic water be 
 Choices: A)more likely to die 
B)less likely to die?


Output: more likely to die