You are given a question or fill-in-the-blank question, two answer options (Option1 and Option2) and an Explanation. Your task is to find the correct answer (return the string of the correct option, not option1/2) for the given question from the given options and using explanation.

Question: Don is getting screened for cancer. Because his cancer is caught late, after it had metastasized, the chance of a cure is 
 Option1: greater 
 Option2: lesser 
 Explanation: The sooner cancer is treated, the greater the chances of a cure.
lesser

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? 
 Option1: increase 
 Option2: decrease 
 Explanation: The lower the pH value is, the greater is the concentration of hydrogen ions and the stronger the acid.
decrease

Question: When using a magnifying glass the less curved one will be 
 Option1: weaker 
 Option2: stronger 
 Explanation: The more curved the convex lens is in a magnifying glass, the greater its ability to magnify objects.

weaker