russia may pull out of the treaty if the us and other nato allies refuse to ratify the amended version.
warned that russia would withdraw from the treaty if western nations refuse to ratify its amended version.

Rate the textual similarity of these two sentences on a scale from 0 to 5, where 0 is "no meaning overlap" and 5 is "means the same thing". OPTIONS:
- 0
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Answer: 4

A child in a blue and white team uniform chasing a soccer ball.
A young boy in a blue soccer uniform chasing a ball.

Rate the textual similarity of these two sentences on a scale from 0 to 5, where 0 is "no meaning overlap" and 5 is "means the same thing". OPTIONS:
- 0
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Answer: 4

anatoly sokolov announced-- soviet-built a-135 missile defense system around moscow is obsolete and inefficient.
soviet-built a-135 missile defense system around moscow is obsolete and inefficient.

Rate the textual similarity of these two sentences on a scale from 0 to 5, where 0 is "no meaning overlap" and 5 is "means the same thing". OPTIONS:
- 0
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Answer: 5

Someone is playing a piano.
A man is playing a guitar.

Rate the textual similarity of these two sentences on a scale from 0 to 5, where 0 is "no meaning overlap" and 5 is "means the same thing". OPTIONS:
- 0
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Answer:
1