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: 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 rubber band, when it is relaxed, will _____ elastic force. 
 Option1: gain 
 Option2: lose 
 Explanation: The farther the material is stretched or compressed, the greater the elastic force becomes.

SOLUTION: lose

PROBLEM: Question: Since Kim has less melanin than Jennifer, when they lay out in the sun Jennifer's skin is _____ than Kim's. 
 Option1: darker 
 Option2: lighter 
 Explanation: However, the melanocytes of people with darker skin produce more melanin.

SOLUTION:
darker