Input: On a scale from 0-5, where 0 is "not similar" and 5 is "very similar", how similar is the sentence "The man played his guitar." to the sentence "A guy is singing while playing his guitar."?
Output: 3

Input: On a scale from 0-5, where 0 is "not similar" and 5 is "very similar", how similar is the sentence "Factory Fires Kill At Least 260 in Pakistan" to the sentence "At Least Six Dead in Pakistan Gunfight"?
Output: 1

Input: On a scale from 0-5, where 0 is "not similar" and 5 is "very similar", how similar is the sentence "A man is playing a guitar." to the sentence "A man is playing a piano."?
Output: 2

Input: On a scale from 0-5, where 0 is "not similar" and 5 is "very similar", how similar is the sentence "A man swims underwater." to the sentence "A woman is swimming underwater."?
Output:
2