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: John was looking at a diagram of an electrical system. He observed that it was less difficult for electronics to move when the wire was 
 Option1: Thicker 
 Option2: Thinner 
 Explanation: A thinner wire is more difficult for electrons to move through than a thicker wire.

A: Thicker
****
Q: Question: As the train approached the intersection and blew its horn, expanding the wavelengths of the sound, did the frequency of the horn 
 Option1: increase 
 Option2: decrease? 
 Explanation: This means that as wavelengths get shorter, more waves move past a particular spot in the same amount of time.

A: decrease?
****
Q: Question: If Milo is building a new circuit and he increases the number of resistors in a series on that circuit, what happens to the overall resistance of the circuit? 
 Option1: increases 
 Option2: decreases 
 Explanation: Increasing the number of resistors in a series circuit increases the overall resistance of the circuit.

A:
increases
****