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.
--------
Question: Sentence 1: the international atomic energy agency may have been tricked because it was eager for a deal. Sentence 2: the international atomic energy agency plan draws out negotiations for many months.

Answer: 2


Question: Sentence 1: Two people are walking through some water. Sentence 2: Two girls are walking by a tree in front of a brick building.

Answer: 1


Question: Sentence 1: Congress twice before passed similar restrictions only to see President Bill Clinton veto them. Sentence 2: Congress twice passed similar bills, but then-President Clinton vetoed them both times.

Answer:
5