Question:
A man is playing a 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 boy is playing guitar.

Question:
Apple to pay $2.65/share dividend, buy back $10B stock

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:
Cash-rich Apple to pay dividend, buy back shares

Question:
A man is riding a horse.

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:
The person is riding the horse.