Investigators Probe Motives of Los Angeles Airport Shooter

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?
Investigators probe motives of LAX airport shooter

the international atomic energy agency is the u.n.'s nuclear watchdog.

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?
international atomic energy association is the united nations watchdog.

Gunmen Attack Hotel In Remote Pakistani Province

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?
Gunmen kill nine tourists in Pakistan

russia is a member of the nsg.

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?
russia is a member of the quartet on the middle east.