In this task, you are given a sentence and a question, you would be asked to create the answer which is contained in the sentence provided.

Input: Consider Input: Sentence: Air pollution causes acid rain, ozone depletion, and global warming. Question: What causes acid rain, ozone depletion, and global warming?

Output: air pollution


Input: Consider Input: Sentence: As ph increases, a solution becomes more basic. Question: As ph increases what happens to a solution?

Output: becomes more basic


Input: Consider Input: Sentence: Thrust is the force pushing a rocket. Question: What is the force pushing a rocket called?


Output: thrust