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: Jeffrey decreases the number of carbon atoms to a natural gas hydrocarbon in a lab. The isomers 
 Option1: increase 
 Option2: decrease 
 Explanation: As you increase the number of carbon atoms in a hydrocarbon, the number of isomers quickly increases.

A: decrease
****
Q: Question: If Mona moves her baseballs closer together, what happens to the gravitational pull between them? 
 Option1: increases 
 Option2: decreases 
 Explanation: The closer objects are, the stronger the gravitational pull between them.

A: increases
****
Q: Question: A wave with a longer wavelength will have a _____ frequency 
 Option1: longer 
 Option2: shorter 
 Explanation: Because all electromagnetic waves travel at the same speed through space, a wave with a shorter wavelength must have a higher frequency, and vice versa.

A:
shorter
****