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.

[EX Q]: Question: When a baby drinks very little milk from their mother then their mother makes 
 Option1: less milk 
 Option2: more milk 
 Explanation: The more the baby suckles, the more prolactin is released, which causes more milk to be produced.
[EX A]: less milk

[EX Q]: Question: Sue is moving from a cold city in Canada to a warm tropical island. The type of vegetation and rate of biological weathering be _____ in Sue's new habitat after she makes the move. 
 Option1: greater 
 Option2: lesser 
 Explanation: The warmer a climate is, the more types of vegetation it will have and the greater the rate of biological weathering.
[EX A]: greater

[EX Q]: Question: Sandra sees a huge glacier, and notes that it has smaller tributary glaciers flowing into it, in valleys that are 
 Option1: shallow 
 Option2: deep 
 Explanation: Smaller tributary glaciers, like tributary streams, flow into the main glacier in their own shallower U-shaped valleys.
[EX A]:
shallow