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: Jan had a very low heart rate, but was perfectly healthy, indicating that her heart expels blood in amounts that are 
 Option1: greater 
 Option2: lesser 
 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.
[A]: greater


[Q]: Question: After the fire of a pile of tires at the landfill was put out, the reduction of smoke in the air made the air quality 
 Option1: better? 
 Option2: worse 
 Explanation: More pollutants mean poorer air quality.
[A]: better?


[Q]: Question: A village is gathering food for the winter. The more food they gather the likelihood of survival being high is 
 Option1: great 
 Option2: small 
 Explanation: New farm machines were invented. They increased the amount of food that could be produced. With more food, people were healthier and could live longer.
[A]:
great