Input: On a scale from 0-5, where 0 is "not similar" and 5 is "very similar", how similar is the sentence "Civilian, defector killed in Syria, says NGO" to the sentence "Syria gunmen kill three Syrian officers: NGO"?

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Output: 1

Input: On a scale from 0-5, where 0 is "not similar" and 5 is "very similar", how similar is the sentence "Thousands cross Austria-Hungary border" to the sentence "Thousands of Russians stranded abroad"?

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Output: 1

Input: On a scale from 0-5, where 0 is "not similar" and 5 is "very similar", how similar is the sentence "Two Aust soldiers wounded in Afghanistan" to the sentence "4 foreign soldiers killed in Afghan east"?

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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 young boy riding a bike on a brick road" to the sentence "A person does tricks on a bike on a ramp surrounded by trees."?

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Output:
2