Input: On a scale from 0-5, where 0 is "not similar" and 5 is "very similar", how similar is the sentence "More rain hampers Indian flood rescue" to the sentence "US tourist gang-raped in northern India: Police"?
Output: 0

Input: On a scale from 0-5, where 0 is "not similar" and 5 is "very similar", how similar is the sentence "Ukraine signs EU trade pact as Russia finalizes Crimea annexation" to the sentence "Ukraine's top court dismisses Crimea's independence as "unconstitutional""?
Output: 2

Input: On a scale from 0-5, where 0 is "not similar" and 5 is "very similar", how similar is the sentence "Nelson Mandela memorial service" to the sentence "Nelson Mandela dies: Live coverage"?
Output: 2

Input: On a scale from 0-5, where 0 is "not similar" and 5 is "very similar", how similar is the sentence "Only 29 families of frogs are known and most were identified and described in the mid-1800s and the last in 1926." to the sentence "Only 29 families of frogs are known, most of which were named by the mid-1800s."?
Output:
4