TASK DEFINITION: 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.
PROBLEM: Sentence: The stem is the basic structure that holds plants upright, allowing plants to get the sunlight and air they need. Question: What is the basic structure that holds plants upright, allowing plants to get the sunlight and air they need?

SOLUTION: stem

PROBLEM: Sentence: You can expect stormy if a center of low pressure is moving your way. Question: What kind of weather can you expect if a center of low pressure is moving your way?

SOLUTION: stormy

PROBLEM: Sentence: Melted iron do scientist's believe mercury's core is mostly made of. Question: What do scientist's believe mercury's core is mostly made of?

SOLUTION:
melted iron