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: Iridescent green beetles, known as jewel beetles, change color because of the light-reflecting properties of the cells that make up this? Question: Iridescent green beetles, known as jewel beetles, change color because of the light-reflecting properties of the cells that make up this?

Output: their external skeleton


Input: Consider Input: Sentence: 10 million years long can a large star be on the main sequence stage. Question: How long can a large star be on the main sequence stage?

Output: 10 million years


Input: Consider Input: Sentence: Like acetic acid, pentanoic acid is carboxylic kind of acid. Question: Like acetic acid, pentanoic acid is what kind of acid?


Output: carboxylic