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: Volcanic gases helpe to form the atmosphere on earth. Question: What did volcanic gases help to form on earth?

Output: atmosphere


Input: Consider Input: Sentence: Unsaturated fatty acids have bent chains. Question: What type of chains do unsaturated fatty acids have?

Output: bent chains


Input: Consider Input: Sentence: The earth's continental crust, on average, is 35 kilometers thick. Question: How thick is the earth's continental crust, on average?


Output: 35 kilometers