Input: On a scale from 0-5, where 0 is "not similar" and 5 is "very similar", how similar is the sentence "Cambodian opposition leader Sam Rainsy returns to stir up election" to the sentence "Cambodia opposition head turns to parliament in poll bid"?
Output: 3

Input: On a scale from 0-5, where 0 is "not similar" and 5 is "very similar", how similar is the sentence "No, none of those factors account for the recent warming." to the sentence "You don't know if those factors account for the warming, or not."?
Output: 3

Input: On a scale from 0-5, where 0 is "not similar" and 5 is "very similar", how similar is the sentence "'Large and extremely dangerous' tornado heads towards Oklahoma City" to the sentence "Mom and baby among five killed as tornadoes rake Oklahoma City area"?
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 woman is slicing some vegetables." to the sentence "The woman is dicing garlic."?
Output:
3