Rate the similarity of the following two sentences
The white sheep is standing on the green hill.
A sheep stands on a hillside.

4

Rate the similarity of the following two sentences
A man is playing a violin.
A woman is using a sewing machine.

0

Rate the similarity of the following two sentences
Caldera acquired the Unix server software of the original SCO and changed its name to the SCO Group.
SCO changed its name to Tarantella, and Caldera later changed its name to the SCO Group.
3