Input: On a scale from 0-5, where 0 is "not similar" and 5 is "very similar", how similar is the sentence ""This has been a persistent problem that has not been solved," investigation board member Steven Wallace said." to the sentence ""This was a persistent problem which has not been solved, mechanically and physically," said board member Steven Wallace."?

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Output: 4

Input: On a scale from 0-5, where 0 is "not similar" and 5 is "very similar", how similar is the sentence "A brown dog digging a hole in front of a plant" to the sentence "A group of people walking on the side of a railroad track."?

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Output: 0

Input: On a scale from 0-5, where 0 is "not similar" and 5 is "very similar", how similar is the sentence "Two red buses driving in front of a garden." to the sentence "Train pulling into a station."?

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Output: 0

Input: On a scale from 0-5, where 0 is "not similar" and 5 is "very similar", how similar is the sentence "VeriSign introduced its Site Finder service on Sept. 15." to the sentence "The battle around VeriSign"s three-week-old Site Finder service rages on."?

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Output:
2