The privately held Google is believed to be profitable.

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?
"Unlike many early-stage Internet firms, Google is believed to be profitable.

Romney has narrow Maine caucus win

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?
Romney, Paul vie for Maine caucus win

The Note's Must-Reads for Tuesday October 29, 2013

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?
The Note's Must-Reads for Friday May 24, 2013

The brown and white dog is playing in the snow.

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?
A small boy playing in the snow.