Report of two explosions at finish line of Boston Marathon

What is a sentence that would be (on a scale from 0 to 5) a 1 out of 5 in terms of textual similarity to the above sentence?
Books To Help Kids Talk About Boston Marathon News

Headlines in several Iranian newspapers on Oct 19

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?
Headlines in major Iranian newspapers on Sept 27

Algerian national turnout of parliamentary vote reaches 44.38 pct

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?
Algerian government parties dominate elections

A man is doing a wheelie on a bike.

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?
A man riding a small bicycle.