Chinese stocks gain at midday Monday

What is a sentence that would be (on a scale from 0 to 5) a 2 out of 5 in terms of textual similarity to the above sentence?
Chinese stocks fall after RRR cut - May 14

Libyans transfer weapons to army

What is a sentence that would be (on a scale from 0 to 5) a 3 out of 5 in terms of textual similarity to the above sentence?
Libyans begin handing in weapons

Poll: Putin to win Russia presidential vote

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Pena Nieto wins Mexico presidential vote: exit polls

A few miles west are the pyramids of Teotihuacan, where corn may first have been domesticated 4,000 years ago.

What is a sentence that would be (on a scale from 0 to 5) a 4 out of 5 in terms of textual similarity to the above sentence?
A few miles further east is Tehuacan, where corn may first have been domesticated 4,000 years ago.