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: A solution with a pH value of 14 is _____ considered to be basic.
Option1: definitely
Option2: not
Explanation: The more basic a solution is, the closer its pH value will be to 14.
definitely

Question: Mark is boiling alkenes and wants to see which will boil first; the larger ones or the smaller ones. The alkenes that will boil first are the ones that are
Option1: smaller
Option2: larger
Explanation: Larger alkenes have lower boiling and melting points.
larger

Question: The blood vessels near the top of the skin do what when it's warm?
Option1: enlarge
Option2: contract
Explanation: When your brain senses that your body temperature is increasing, it sends messages to the blood vessels in the skin to increase in diameter.
enlarge