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.

[Q]: Question: What is secreted before ejaculation to neutralize acidic urine remaining in the urethra? Answer: clear mucus
[A]: Clear mucus is secreted before ejaculation to neutralize acidic urine remaining in the urethra.


[Q]: Question: Work is done only if a force is exerted in the direction of what? Answer: motion
[A]: Work is done only if a force is exerted in the direction of motion.


[Q]: Question: What planet is the easiest to observe? Answer: mars
[A]:
Mars planet is the easiest to observe.