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: If we find something with a low pH value that is likely to be 
 Option1: acidic 
 Option2: basic 
 Explanation: The higher the pH value is, the stronger the base.
[EX A]: acidic

[EX Q]: Question: A piece of sandpaper was rubbed across a glass table, then the sandpaper was rubbed across some gravel. The friction will be greater between 
 Option1: the sandpaper and the glass table or 
 Option2: the sandpaper and the gravel. 
 Explanation: Rougher surfaces have more friction between them than smoother surfaces.
[EX A]: the sandpaper and the gravel.

[EX Q]: Question: If an item has few carbon atoms its boiling point will be 
 Option1: low 
 Option2: high 
 Explanation: Alkanes with more carbon atoms generally have higher boiling and melting points.
[EX A]:
low