the problem isn't who has money.
the problem is who doesn't have money.

Rate the textual similarity of these two sentences on a scale from 0 to 5, where 0 is "no meaning overlap" and 5 is "means the same thing".

Answer: 2

Doctors have speculated that the body's own estrogen protects against cell damage and improves blood flow.
Their belief was based on speculation that estrogen prevents cell damage and improves blood flow.

Rate the textual similarity of these two sentences on a scale from 0 to 5, where 0 is "no meaning overlap" and 5 is "means the same thing".

Answer: 4

A man is dicing an onion.
The man is playing the guitar.

Rate the textual similarity of these two sentences on a scale from 0 to 5, where 0 is "no meaning overlap" and 5 is "means the same thing".

Answer: 0

Two dogs run side-by-side on the grass.
Two dogs running on grass.

Rate the textual similarity of these two sentences on a scale from 0 to 5, where 0 is "no meaning overlap" and 5 is "means the same thing".

Answer:
4