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: A puppy, compared to a elephant, is a smaller size, and therefore the weight of the puppy, compared to the elephant, is 
 Option1: greater 
 Option2: lesser 
 Explanation: The larger the animal, the heavier the exoskeleton, making movement more difficult.
lesser

Question: Jeffrey decreases the number of carbon atoms to a natural gas hydrocarbon in a lab. The isomers 
 Option1: increase 
 Option2: decrease 
 Explanation: As you increase the number of carbon atoms in a hydrocarbon, the number of isomers quickly increases.
decrease

Question: Low frequency bass notes have what length wavelengths 
 Option1: long 
 Option2: short 
 Explanation: Longer wavelength electromagnetic waves have lower frequencies, and shorter wavelength waves have higher frequencies.

long