A man is playing a keyboard.

What is a sentence that would be (on a scale from 0 to 5) a 0 out of 5 in terms of textual similarity to the above sentence?
A man is riding a horse.

indian defense ministry has increased defense spending for new purchases by 33 percent.

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?
indian defense ministry has increased spending on defense purchases.

russia ratified the amended treaty.

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?
russia ratified the amended version of the treaty.

A train traveling down the tracks.

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?
A black train moves down the tracks.