A girl is riding a bicycle.

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 machine is sharpening a pencil.

Spot gold was quoted at $358.65/359.15 an ounce at 0500 GMT, having darted as high as $359.25 -- a level not seen since February 25.

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?
Spot gold was quoted at $367.90/368.60 an ounce at 1000 GMT, having marched up to $369.50 -- a level not seen since February 10.

Two people in a red canoe on a clear lake.

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?
Two people paddling a red canoe are reflected in the still water.

U.S. officials did not say whether American forces, who were acting on intelligence, crossed into Syrian territory and were vague about how the Syrian guards were involved.

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?
The officials did not say whether U.S. forces crossed into Syrian territory and were vague about how the Syrian border guards became involved.