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: Fred has an isotope that decays quickly. What is likely true about it? 
 Option1: it can be used to date older specimens 
 Option2: it can't be used to date old specimens 
 Explanation: Because these isotopes decay more slowly, they can be used to date much older specimens.
[A]: it can't be used to date old specimens


[Q]: Question: Wendy is 30 years old while Jefferson is 60 years old. Who is more susceptible to disease? 
 Option1: Wendy 
 Option2: Jefferson 
 Explanation: Many diseases become more common as people grow older.
[A]: Jefferson


[Q]: Question: What are the energy levels that are in a very tall wave? 
 Option1: high 
 Option2: low 
 Explanation: Waves with greater amplitudes or shorter wavelengths have more energy.
[A]:
high