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.

Example Input: Question: What type of energy is useful to humans because it's ease of transport and conversion to other forms of energy? Answer: electrical
Example Output: Electrical type of energy is useful to humans because it's ease of transport and conversion to other forms of energy.

Example Input: Question: What signals the secretion of gastric acid? Answer: gastrin
Example Output: Gastrin signals the secretion of gastric acid.

Example Input: Question: What is in the soil that causes mars to look red? Answer: iron
Example Output:
Iron in the soil causes mars to look red.