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: Water are most cells surrounded by. Question: What are most cells surrounded by?

SOLUTION: water

PROBLEM: Sentence: Energy do ecosystems absorb on the earth. Question: What do ecosystems absorb on the earth?

SOLUTION: energy

PROBLEM: Sentence: Pathogens spread(s) stis during sexual contact. Question: What spreads sti during sexual contact?

SOLUTION:
pathogens