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: Saturated hydrocarbons are the simplest hydrocarbons. Question: What are the simplest hydrocarbons?

Output: saturated hydrocarbons


Input: Consider Input: Sentence: The earth's crust is composed of igneuos rock. Question: What is the earths crust composed of?

Output: igneuos rock


Input: Consider Input: Sentence: Water makes up most of  biological tissues. Question: What makes up most of  biological tissues?


Output: water