Rate the similarity of the following two sentences
Car Bomb Wounds 15 in Hezbollah Stronghold in Lebanon
Car bomb rocks Hezbollah stronghold in Lebanon

3

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A bald man touches the nose of a black horse on the other side of a fence.
A bald man with a beard pets the nose of a black and white horse at the fence.

3

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The seven other nations in the initiative are Britain, Germany, Italy, the Netherlands, Poland, Portugal and Spain.
Other nations involved in the PSI include Germany, Italy, the Netherlands, Poland, Portugal, Spain and Britain.
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