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: 20-member parliamentary, trade team leaves for India Sentence 2: Commerce secretary to take leave of absence
0

Sentence 1: Iraq Backs Egypt Crackdown on Morsi Supporters Sentence 2: Iraq backs Egypt crackdown on Mohamed Morsi supporters
5

Sentence 1: Brazil's 'pop-star priest' gets mammoth new stage Sentence 2: Brazil's 'Pop-Star Priest' Gets Mammoth New Stage

5