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: Dana clipped her nails short, and waited for them to grow out again. When her nails reached a long length, Dana noted that the number of cells within them must have 
 Option1: decreased 
 Option2: increased 
 Explanation: As the nail grows, more cells are added at the nail bed.

Answer: increased


Question: Question: Tina is putting on a sweater. As she stretches out the material, its elastic force 
 Option1: increases 
 Option2: decreases 
 Explanation: The farther the material is stretched or compressed, the greater the elastic force becomes.

Answer: increases


Question: Question: A star that is blue in color is usually 
 Option1: cold 
 Option2: hot 
 Explanation: But, in stars, the bluer the star, the hotter it is, and the redder it is, the older and colder it is.

Answer:
hot