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: A scientist sees that some galaxies are closer together than before, so they know that the universe's expansion is 
 Option1: less 
 Option2: more 
 Explanation: As the Universe expands, galaxies move further and further apart.

Answer: less


Question: Question: Sue measured water to be a pH of 7, and she measured bleach at a pH of 11. Which substance is more basic? 
 Option1: water 
 Option2: bleach 
 Explanation: For bases we can state the folllowing: The higher the pH of a substance, the more basic it is.

Answer: bleach


Question: Question: John was analyzing some of the results from his sunscreen study. He found that a higher SPF protects the skin 
 Option1: Shorter 
 Option2: Longer 
 Explanation: A sunscreen with a higher SPF value protects the skin longer.

Answer:
Longer