Question:
Suicide Bombers Kill 3 Soldiers 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?

Answer:
Suicide bomber kills policeman in Pakistan

Question:
Embassies staying put in N. Korea despite tension

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?

Answer:
US postpones missile test over N Korea tensions

Question:
U.S. drone kills 4 militants 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?

Answer:
US drone strike kills six in Pakistan officials