TASK DEFINITION: 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.
PROBLEM: Question: Because of gluons, quarks are attracted each _____ strongly the farther apart they are. 
 Option1: more 
 Option2: less 
 Explanation: Gluons make quarks attract each other more strongly the farther apart the quarks get.

SOLUTION: more

PROBLEM: Question: If Mona removes more water from her cauldron of melting rock, what will happen to the melting point of that rock? 
 Option1: increase 
 Option2: decrease 
 Explanation: As the amount of water increases, the melting point of rock decreases.

SOLUTION: increase

PROBLEM: Question: Derek felt warm as he stood in the sun, and since his body was heating up, he knew that his blood vessels in his skin were 
 Option1: expanding 
 Option2: contracting 
 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.

SOLUTION:
expanding