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: You call the movement of a substance from an area of a higher amount toward an area of lower amount diffusion. Question: What do you call the movement of a substance from an area of a higher amount toward an area of lower amount?

Output: diffusion


Input: Consider Input: Sentence: When the core of a star begins to run low on hydrogen, it contracts. Question: What happens to the core of a star when it begins to run low on hydrogen?

Output: it contracts


Input: Consider Input: Sentence: Ultrasound, a diagnostic technology, uses high-frequency vibrations transmitted into any tissue in contact with the transducer. Question: What diagnostic technology uses high-frequency vibrations transmitted into any tissue in contact with the transducer?


Output: ultrasound