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: Leo is working in a lab studying genotypes. He notices that the genotypes that are more fit produce 
 Option1: less offspring. 
 Option2: more offspring 
 Explanation: Genotypes with greater fitness produce more offspring and pass more copies of their alleles to the next generation.

SOLUTION: more offspring

PROBLEM: Question: If James measured the air pressure in the winter and compared it to the air pressure in the summer, which season would have less pressure? 
 Option1: winter 
 Option2: summer 
 Explanation: Decreasing air temperature increases atmospheric pressure.

SOLUTION: winter

PROBLEM: Question: If someone has a larger than average physical heart then it will beat _____ in order to pump blood. 
 Option1: more 
 Option2: less 
 Explanation: When the heart expels more blood with each stroke, the heart has to beat less often in order to maintain the same volume of blood flow.

SOLUTION:
less