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: If the speed of a stream decreases, the size of the particles carried in that stream 
 Option1: increase 
 Option2: decrease 
 Explanation: In erosion, a slower moving stream will only carry smaller particles.
decrease

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.
increases

Question: Mona lives in a country with no food available. If a natural disaster strikes and the food supply is cut off, what will happen to the birth rate in her country? 
 Option1: increase 
 Option2: decrease 
 Explanation: Low food supply or a lack of space can lower birth rates, increase death rates, or lead to emigration.

increase