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: Because action potentials are so brief, a neuron can produce hundreds per second. Question: Because action potentials are so brief, a neuron can produce hundreds per what?

SOLUTION: second

PROBLEM: Sentence: Natural selection evolutionary process has adapted protonephridia to different tasks in different environments. Question: What evolutionary process has adapted protonephridia to different tasks in different environments?

SOLUTION: natural selection

PROBLEM: Sentence: Earthquakes are found primarily in lines around the edges of some continents. Question: What are found primarily in lines around the edges of some continents?

SOLUTION:
earthquakes