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: If James measured the air pressure in the winter and compared it to the air pressure in the summer, which season would have less pressure?
Option1: winter
Option2: summer
Explanation: Decreasing air temperature increases atmospheric pressure.

Answer: winter

Question: Question: Bob is testing samples of ocean water from different places. The sample of water from off India's coast has less dissolved carbon dioxide, than the sample of water from off the United States' coast. Therefore, the water from _____ coast is more acidic.
Option1: India's
Option2: United States'
Explanation: With higher levels of dissolved carbon dioxide in ocean water, the water becomes more acidic.

Answer: United States'

Question: Question: If Milo removes carbon atoms from his alkane while working in his science lab, what happens to the melting point of that alkane?
Option1: increases
Option2: decreases
Explanation: Alkanes with more carbon atoms have higher boiling and melting points, so some of them are solids at room temperature.

Answer:
decreases