Question:
China's Xi tells Vietnam wants peace in South China Sea

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:
Chinese envoy rebuts Vietnamese, Philippine accusations over South China Sea

Question:
A train on the train tracks.

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?

Answer:
A train is on the railroad tracks.

Question:
Passengers dead in Italy bus plunge

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:
Italian pilgrims die in bus plunge