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: 10 million years long can a large star be on the main sequence stage. Question: How long can a large star be on the main sequence stage?

SOLUTION: 10 million years

PROBLEM: Sentence: Proper chemical formulas for ionic compounds balance the total positive charge with total negative charge. Question: Proper chemical formulas for ionic compounds balance the total positive charge with what?

SOLUTION: total negative charge

PROBLEM: Sentence: Alpha emission is a type of radioactivity. Question: Alpha emission is a type of what?

SOLUTION:
radioactivity