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: When it is very warm what happens to the speed of items? 
 Option1: speed up 
 Option2: slow down 
 Explanation: For a given medium, sound waves travel more slowly at lower temperatures.

SOLUTION: speed up

PROBLEM: Question: If we change resistors in series to not be in parallel the resistance 
 Option1: increases 
 Option2: decreases 
 Explanation: When we add resistors in parallel to each other the total resistance decreases and the current increases.

SOLUTION: increases

PROBLEM: Question: If farming techniques would be lost, there might be _____ people that starve and go hungry. 
 Option1: more 
 Option2: less 
 Explanation: Better farming techniques and machines increased the food supply and the distribution of food.

SOLUTION:
more