TASK DEFINITION: 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.
PROBLEM: Question: The least massive objects have _____ gravity than more massive objects. 
 Option1: higher 
 Option2: lower 
 Explanation: Less massive objects also have less gravity than more massive objects.

SOLUTION: lower

PROBLEM: Question: Eric notices an increase in antibiotic resistance in a certain bacteria. The mutation that causes the resistance has become _____ common 
 Option1: more 
 Option2: less 
 Explanation: Bacteria with a mutation the helps resist antibiotics increase in numbers, so the mutation becomes more common.

SOLUTION: more

PROBLEM: Question: A genotype with good fitness will likely produce _____ offspring than a more fit one. 
 Option1: more 
 Option2: less 
 Explanation: Genotypes with greater fitness produce more offspring and pass more copies of their alleles to the next generation.

SOLUTION:
more