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: If an air mass forms over an ocean it is called a maritime air mass. Question: If an air mass forms over an ocean it is called what type of air mass?

Ex Output:
maritime


Ex Input:
Sentence: Heart disease is the leading cause of death in the united states. Question: What is the leading cause of death in the united states?

Ex Output:
heart disease


Ex Input:
Sentence: Heat and light two forms of energy could best be used to increase the temperature of a sheet of copper. Question: Which two forms of energy could best be used to increase the temperature of a sheet of copper?

Ex Output:

heat and light