Evaluate the similarity between them and classify them into classes from 0-5 as follows:
0 : The two sentences are completely dissimilar.
1 : The two sentences are not equivalent, but are on the same topic.
2 : The two sentences are not equivalent, but share some details.
3 : The two sentences are roughly equivalent, but some important information differs/missing.
4 : The two sentences are mostly equivalent, but some unimportant details differ.
5 : The two sentences are completely equivalent, as they mean the same thing.

Sentence 1: Full Episode: Nightline 6/29: Katie Holmes, Tom Cruise to Divorce Sentence 2: Custody, images at stake in Cruise-Holmes divorce
1

Sentence 1: not astros or orioles bad Gameday for the orioles game is frozen for me. Sentence 2: Gameday for the orioles game is frozen for me.
3

Sentence 1: many of the attacks originated abroad. Sentence 2: estonian officials stated that the attacks originated in russia.

2