Question:
Russian roulette in Syria

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:
Russian warplanes strike inside Syria

Question:
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?

Answer:
A man is playing the guitar and singing.

Question:
A man and woman is walking in the grand.

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:
A man is walking in the rain.