instruction:
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: Jeff noticed the food supply changed over time in his city. The destruction of farming machines likely caused the food supply to 
 Option1: decrease 
 Option2: increase 
 Explanation: Better farming techniques and machines increased the food supply and the distribution of food.
answer:
decrease


question:
Question: John was watching the effects of weather on the groundwater in his area. He observed that as the amount of rain decreased, the level of the water table was 
 Option1: Higher 
 Option2: Lower 
 Explanation: The water table is higher when there is a lot of rain and lower when the weather is dry.
answer:
Lower


question:
Question: In order to take a photo of the flashlight right in front of us we would need our camera's shutter to be open 
 Option1: a very short time 
 Option2: a very long time 
 Explanation: A camera shutter stays open longer in dim light to let more light in.
answer:

a very short time