8 soldiers killed in bomb attack in NW Pakistan

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?
Two U.S. soldiers killed in "insider" attack in Afghanistan

A cat is pooping into a toilet.

What is a sentence that would be (on a scale from 0 to 5) a 0 out of 5 in terms of textual similarity to the above sentence?
A person is slicing an onion.

russia's decision to suspend participation in the cfe is a step in the wrong direction.

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?
nato regrets russia's decision to suspend participation in the cfe.

Except that they couldn't.

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?
Except that it wasn't.