Input: On a scale from 0-5, where 0 is "not similar" and 5 is "very similar", how similar is the sentence "Suicide bomber kills 13 in Russia's south" to the sentence "Suicide bomber kills 16 in Russia's Volgograd"?
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 firing a rifle." to the sentence "A woman is cutting a lemon."?
Output: 0

Input: On a scale from 0-5, where 0 is "not similar" and 5 is "very similar", how similar is the sentence "Egypt minister survives assassination attempt" to the sentence "Syrian prime minister 'survives assassination attempt'"?
Output: 2

Input: On a scale from 0-5, where 0 is "not similar" and 5 is "very similar", how similar is the sentence "Three killed in Nigeria suicide bombers attack" to the sentence "60 killed in Nigeria cattle market attack"?
Output:
1