TASK DEFINITION: In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.
PROBLEM: Question: What signals the secretion of gastric acid? Answer: gastrin

SOLUTION: Gastrin signals the secretion of gastric acid.

PROBLEM: Question: What sort of digestion do animals engage in? Answer: internal

SOLUTION: Animals engage in internal digestion.

PROBLEM: Question: Force times distance is the equation for what? Answer: work

SOLUTION:
Force times distance is the equation for work.