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.
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Question: Question: If someone has a smaller 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.

Answer: more


Question: Question: Jeff heated the pot of boiling water. What happens to the dissolved oxygen contained within the water? 
 Option1: it increases 
 Option2: it decreases 
 Explanation: Warm water cant hold as much dissolved oxygen as cool water, so an increase in the temperature of water decreases the amount of oxygen it contains.

Answer: it decreases


Question: Question: Marco needs to dig a well in his backyard, but the water table is very low. The energy that it will take to dig a shallow well is 
 Option1: great 
 Option2: small 
 Explanation: As the water is pumped out, the water table slowly falls, requiring wells to be dug deeper, which takes more money and energy.

Answer:
small