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: Don is getting screened for cancer. Because his cancer is caught late, after it had metastasized, the chance of a cure is 
 Option1: greater 
 Option2: lesser 
 Explanation: The sooner cancer is treated, the greater the chances of a cure.
answer:
lesser


question:
Question: Hassan and Ratna each received new automatic cameras as presents. To test their new cameras, Hassan took a picture of the beach that afternoon, while Ratna waited until it was dark outside to take a picture of a python in the moonlight. The shutter of whose camera stayed open shorter? 
 Option1: Hassan 
 Option2: Ratna 
 Explanation: A camera shutter stays open longer in dim light to let more light in.
answer:
Hassan


question:
Question: If Milo is observing a stream at a low elevation and he follows the stream up to a lower elevation, what happens to the amount of cutting the stream has to do when eroding the stream bed beneath it? 
 Option1: increases 
 Option2: decreases 
 Explanation: In erosion, the higher the elevation, the farther the stream is from where it will reach base level and the more cutting it has to do.
answer:

decreases