Question:
A boy is playing the piano.

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 a key-board.

Question:
A dog running on the beach

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 brown dog sits on the beach.

Question:
The charges of espionage and aiding the enemy can carry the death penalty.

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:
If convicted of the spying charges, he could face the death penalty.