instruction:
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.
question:
Question: As the injection was given and the blood vessels expanded, Dean's blood moved through 
 Option1: in smaller amounts 
 Option2: in greater amounts 
 Explanation: Increasing the diameter of the blood vessels increases the amount of blood and heat that moves near the skins surface.
answer:
in greater amounts


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: Reid notices that tributary glaciers make U-shaped valleys when flowing. A large valley was likely caused by a _____ tributary glacier. 
 Option1: small 
 Option2: large 
 Explanation: Smaller tributary glaciers, like tributary streams, flow into the main glacier in their own shallower U-shaped valleys.
answer:

large