Sentence 1: MessageLabs, which runs outsourced e-mail servers for 700,000 customers around the world, said it had filtered out 27,000 infected e-mails in 115 countries as of Thursday morning.

Sentence 2: Messagelabs, which runs outsourced e-mail servers for 700,000 customers around the world, has labeled the worm "high risk" and reports more than 31,000 infections in 120 countries.

From 0 to 5 (0="no meaning overlap" and 5="means the same thing"), how similar are the two sentences?
3