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.

Ex Input:
Sentence 1: Shares of USA Interactive rose $2.28, or 7 percent, to $34.96 on Friday in Nasdaq Stock Market composite trading and have gained 53 percent this year. Sentence 2: Shares of LendingTree rose $6.03, or 41 percent, to close at $20.72 on the Nasdaq stock market yesterday.

Ex Output:
1


Ex Input:
Sentence 1: Mr Colpin did not specify whether it was this system that was at the centre of the investigation. Sentence 2: Neither OLAF nor the Belgian prosecutors have specified if it was this system that was at the centre of the investigation.

Ex Output:
2


Ex Input:
Sentence 1: A man in white with a wine bottle and a woman in a red turtleneck with a white vest. Sentence 2: A man and woman posing on a field with a bottle of wine.

Ex Output:

3