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.

Q: Sentence 1: Bush plans to meet with Israeli Prime Minister Ariel Sharon and the new Palestinian prime minister, Mahmoud Abbas, in the Jordanian port of Aqaba on Wednesday. Sentence 2: On Wednesday next week, Mr Bush will meet Israeli Prime Minister Ariel Sharon and new Palestinian leader Mahmoud Abbas in Aqaba, Jordan.

A: 5
****
Q: Sentence 1: Mann's work was all about math. Sentence 2: Mann's work and the HS was all about Tree rings.

A: 2
****
Q: Sentence 1: a group of old men walking down the street Sentence 2: A couple walking down the street.

A:
2
****