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: What happens to John's risk of contracting a disease when he is younger? 
 Option1: it decreases 
 Option2: it increase 
 Explanation: The older a person is, the greater their chance of developing a cardiovascular disease.

A: it decreases
****
Q: Question: A family that is very small, compared to one that is enormous, will have allele differences that are 
 Option1: smaller 
 Option2: greater 
 Explanation: The smaller a population is, the more allele frequencies may drift.

A: smaller
****
Q: Question: When the villagers are dying sooner, the food source is likely 
 Option1: great 
 Option2: small 
 Explanation: More recently, the death rate has fallen because of the availability of more food and medical advances.

A:
small
****