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.

Example Input: Sentence: A moving car is said to be in dynamic equilibrium when it is zero net force. Question: When is a moving car said to be in dynamic equilibrium?
Example Output: zero net force

Example Input: Sentence: Enzymes speed up the rate of a specific chemical reaction and are therefore known as biochemical catalysts. Question: Enzymes speed up the rate of a specific chemical reaction and is therefore known as what?
Example Output: biochemical catalysts

Example Input: Sentence: Dna encodes instructions for proteins molecules. Question: Dna encodes instructions for what kind of molecules?
Example Output:
proteins