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: Australian unemployment up to 5.1 percent Sentence 2: French unemployment rate rises to 10 percent
1

Sentence 1: Smiling man with reflective classes. Sentence 2: A gentleman smiling and showing his reflective sunglasses.
5

Sentence 1: I didn't say we had gotten soft since / Rand. Sentence 2: I said YOU had gotten soft.

1