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: The development of the respiratory system in the fetus begins at about 4 weeks. Question: The development of the respiratory system in the fetus begins at about?

Output: 4 weeks


Input: Consider Input: Sentence: Entropy increases in processes in which solid or liquid reactants form gaseous products and when solid reactants form liquid products. Question: What increases in processes in which solid or liquid reactants form gaseous products and when solid reactants form liquid products?

Output: entropy


Input: Consider Input: Sentence: Biodiversity helps ensure that, at least, some species will survive environmental change. Question: What helps ensure that, at least, some species will survive environmental change?


Output: biodiversity