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: a cyclist is making his bike jump between two rocks. Sentence 2: A man jumps his bicycle in the air between two rocks.

Output: 4


Input: Consider Input: Sentence 1: A orange and white cat asleep on a leather chair. Sentence 2: A ginger cat sitting on an office chair.

Output: 3


Input: Consider Input: Sentence 1: October heating oil futures settled .85 cent lower at 69.89 cents a gallon. Sentence 2: October heating oil ended down 0.41 cent to 70.74 cents a gallon.


Output: 2