Question:
Suspected drone strike kills 4 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 four in North Waziristan

Question:
Romney concedes election to Obama in phone call

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?

Answer:
US Election: Mitt Romney concedes defeat as Barack Obama wins second term

Question:
A brown dog running through the grass.

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?

Answer:
two big brown dogs running through the snow.