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: Question: If Jim is an endotherm would his body give off _____ heat if the blood flow to the surface of his body were decreased? 
 Option1: more 
 Option2: less 
 Explanation: On a hot day, an endotherm may give off more heat by increasing blood flow to the surface of the body.

Answer: less


Question: Question: Will decreases the population of his model of the world's population. The amount of water scarcity, if no other variables are changed, will likely go 
 Option1: up 
 Option2: down 
 Explanation: Many of the worlds people live with water scarcity, and that percentage will increase as populations increase and climate changes.

Answer: down


Question: Question: Jack wants to screw a board to the wall, and would like to use minimal force, so the screws that Jack uses have threads that are 
 Option1: spaced out 
 Option2: closer 
 Explanation: Therefore, if the threads on a screw are closer together, you need to apply less force to penetrate the wood or other object.

Answer:
closer