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: As a boy grows to a man and his larynx grows smaller, his voice gets 
 Option1: deeper 
 Option2: higher. 
 Explanation: The voice becomes deeper as the larynx in the throat grows larger.
answer:
higher.


question:
Question: As waves on the ocean shrink in size and number they have. 
 Option1: more energy 
 Option2: less energy 
 Explanation: With higher frequencies, the microwaves also have more energy.
answer:
less energy


question:
Question: Katie is looking at particles of reactants, and is noting that they currently are moving very slowly, and that they seem to have a little energy. These particles are likely at a temperature that is 
 Option1: higher 
 Option2: lower 
 Explanation: At higher temperatures, particles of reactants have more energy, so they move faster. They are more likely to bump into one another and to collide with greater force.
answer:

lower