In a show of corporate solidarity, Kroger Co., which owns Ralphs, and Albertson Inc. locked out their workers the next morning.

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?
Kroger Co., which owns Ralphs, and Albertsons Inc. bargain jointly with Safeway and locked out their union workers the next day.

Blast kills nine in southern Afghanistan: officials

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?
Blast kills 10 young girls in eastern Afghanistan

The latest shooting linked to the spree was a Nov. 11 shooting at Hamilton Township Elementary School in Obetz, about two miles from the freeway.

What is a sentence that would be (on a scale from 0 to 5) a 5 out of 5 in terms of textual similarity to the above sentence?
Another shooting linked to the spree occurred Nov. 11 at Hamilton Central Elementary in Obetz, about two miles from the freeway.

North Korea shoots 2 rockets

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?
North Korea shuns offer of talks