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: Shirley wants to make sure that her frequencies are high, so she will have her wavelengths for the electromagnetic waves be 
 Option1: shorter 
 Option2: longer 
 Explanation: Longer wavelength electromagnetic waves have lower frequencies, and shorter wavelength waves have higher frequencies.
answer:
shorter


question:
Question: After Sarah finishes her run, she notices that her blood is really pumping. Sarah can know that since it's a hot day, she's giving off what kind of heat compared to usual? 
 Option1: more 
 Option2: less 
 Explanation: On a hot day, an endotherm may give off more heat by increasing blood flow to the surface of the body.
answer:
more


question:
Question: If Mona is comparing two species and she notices that their DNA molecules are less similar, what does that tell her about the species relationship? 
 Option1: distant relationship 
 Option2: close relationship 
 Explanation: The more similar the DNA molecules of different species are, the closer the relationship is likely to be.
answer:

distant relationship