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.

Q: Question: Joe is pulling a rubber band with his fingers. When does the band have the most elastic force? 
 Option1: at rest 
 Option2: when stretched 
 Explanation: The elastic force increases the more the material is stretched or compressed.

A: when stretched
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Q: Question: A family that is very small, compared to one that is enormous, will have allele differences that are 
 Option1: smaller 
 Option2: greater 
 Explanation: The smaller a population is, the more allele frequencies may drift.

A: smaller
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Q: Question: A doctor took two urine samples from Kyle, one on Tuesday and one on Wednesday. The Tuesday sample was a darker color than the Wednesday sample, which means that there was less water in 
 Option1: the Tuesday sample 
 Option2: the Wednesday sample. 
 Explanation: The darker the urine, the less water it contains.

A:
the Tuesday sample
****