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: If Jim is screwing in two bolts and the first one has threads that are close together while the second one has threads that are far apart, which one must he apply less force to? 
 Option1: first bolt 
 Option2: second bolt 
 Explanation: The trade-off when the threads are closer together, is that more turns of the screw or bolt are needed to do the job because the distance over which the input force must be applied is greater.

A: second bolt
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Q: Question: Mark is boiling alkenes and wants to see which will boil last; the larger ones or the smaller ones. The alkenes that will boil last are the ones that are 
 Option1: smaller 
 Option2: larger 
 Explanation: Larger alkenes have lower boiling and melting points.

A: smaller
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Q: Question: If the mass of an object gets bigger what will happen to the amount of matter contained within it? 
 Option1: gets bigger 
 Option2: gets smaller 
 Explanation: The greater the mass of an object, the more matter it contains.

A:
gets bigger
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