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 parts of the planet does solar energy have difficulty reaching? Answer: poles

SOLUTION: Poles parts of the planet does solar energy have difficulty reaching.

PROBLEM: Question: Through what system of the body do hormones generally travel? Answer: circulatory system

SOLUTION: Hormones generally travel through the circulatory system system of the body.

PROBLEM: Question: Using a hammer to remove a nail changes both the direction and strength of the what? Answer: applied force

SOLUTION:
Using a hammer to remove a nail changes both the direction and strength of the applied force.