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 type of cell layer do flatworms have? Answer: mesoderm

SOLUTION: Mesoderm type of cell layer do flatworms have.

PROBLEM: Question: Early in the development of a human fetus, the skeleton is made entirely of what? Answer: cartilage

SOLUTION: Early in the development of a human fetus, the skeleton is made entirely of cartilage.

PROBLEM: Question: What type of response is generated when a stimulus is received by the nervous system? Answer: a motor response

SOLUTION:
A motor response type of response is generated when a stimulus is received by the nervous system.