Input: On a scale from 0-5, where 0 is "not similar" and 5 is "very similar", how similar is the sentence "All 224 dead in Russian airliner mystery crash" to the sentence "Heat flash detected at time of Russian airliner crash"?
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 dog is running through a backyard full of leaves." to the sentence "Three dogs run through a field."?
Output: 3

Input: On a scale from 0-5, where 0 is "not similar" and 5 is "very similar", how similar is the sentence "Manchester City wins second Premier League title in three years" to the sentence "Manchester City win English Premier League title"?
Output: 4

Input: On a scale from 0-5, where 0 is "not similar" and 5 is "very similar", how similar is the sentence "Pakistan fighter jets bomb 'Taliban hideouts'" to the sentence "Pakistan wants arms supply to Syrian sides stopped"?
Output:
2