In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.

[EX Q]: Question: John went to the doctor one day and was told they caught his cancer really late. What does this mean about the ease with which the cancer is treated? 
 Answer: harder to treat
[EX A]: The sooner cancer is detected the easier it is to treat.

[EX Q]: Question: John was observing a range of patients skin under a microscope. He noticed that the more melanocytes the skin had, the production of melanin was 
 Answer: higher
[EX A]: However, the melanocytes of people with darker skin produce more melanin.

[EX Q]: Question: If Mona is adding chemicals to her swimming pool and she lowers the pH value of the water, what happens to the acidity of the water in the pool? 
 Answer: decrease
[EX A]:
The lower the pH value is, the greater is the concentration of hydrogen ions and the stronger the acid.