Rate the similarity of the following two sentences
Thousands protest gay marriage
Thousands protest gay marriage in France

3

Rate the similarity of the following two sentences
Security experts are warning that a new mass-mailing worm is spreading widely across the Internet, sometimes posing as e-mail from the Microsoft founder.
A new worm has been spreading rapidly across the Internet, sometimes pretending to be an e-mail from Microsoft Chairman Bill Gates, antivirus vendors said Monday.

5

Rate the similarity of the following two sentences
Two dogs play in the grass.
Two dogs are playing in the grass.
5