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.

Ex Input:
Sentence: The presence of a nucleus is the main difference between prokaryotic or eukaryotic cells . Question: What is the main difference between prokaryotic or eukaryotic cells ?

Ex Output:
the presence of a nucleus

Ex Input:
Sentence: The number of particles of a substance in a given volume is known as the concentration. Question: The number of particles of a substance in a given volume is known as?

Ex Output:
concentration

Ex Input:
Sentence: Because all animals require an external source of food, they are called heterotrophic. Question: Because all animals require an external source of what, they are called heterotrophic?

Ex Output:
food