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.

Input: Consider Input: Sentence 1: Lebanon's PM forms 'unity cabinet' Lebanon's prime minister has formed a cabinet more than 10 months after taking office, taking in a wide range of political groups after bridging serious divisions am Sentence 2: BEIRUT: Lebanon's prime minister formed a cabinet more than 10 months after taking office yesterday, including a wide range of political groups after bridging serious divisions among them mostly over

Output: 5


Input: Consider Input: 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.

Output: 5


Input: Consider Input: Sentence 1: The shirtless man sat in a chair. Sentence 2: A shirtless man is sitting on a chair.


Output: 4