anatoly sokolov announced-- soviet-built a-135 missile defense system around moscow is obsolete and inefficient.
soviet-built a-135 missile defense system around moscow is obsolete and inefficient.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

China sends largest fleet yet to disputed islands
China ships enter waters off disputed islands

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: 3

U.S. drone strike kills 5 in Pakistan
Pakistan drone strike kills up to six

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: 3

US soldier kills up to 16 civilians in Afghanistan
US soldier kills up to 16 Afghan civilians in shooting spree

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