Senior cleric: Iran will attack Tel Aviv if Israel strikes

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?
'Iran will attack Tel Aviv if Israel strikes'

Murray wins Wimbledon title ends Britains 77year agony

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?
Murray ends 77-year wait for British win

A man is playing the guitar.

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 is playing the guitar and singing.

Venezuela mourns oil refinery blast deaths

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?
Explosion at Venezuela Refinery Kills at Least 39