U.S. Drone Strike Kills 3 in Pakistan

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?
4 Killed in US Drone Strike in Pakistan

NATO troops killed in Afghan 'insider attack'

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?
NATO: 3 troops killed in Afghanistan attack

Boston bombing suspect was under FBI surveillance, says mother

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?
Boston bombing suspect identified on surveillance video, no arrest

A group of girls stands wearing jean skirts and superman shirts.

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?
A girl is wearing a purple sash and matching skirt.