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.

[Q]: Sentence 1: A dog shaking off water. Sentence 2: A dog shaking water off.
[A]: 5


[Q]: Sentence 1: The baby is laughing and crawling. Sentence 2: A baby is laughing and crawling on the floor.
[A]: 4


[Q]: Sentence 1: The currency briefly weakened slightly on Monday to trade at 55.34/39, not far from its record low of 55.75. Sentence 2: The currency briefly weakened on Monday morning but rebounded to trade at 55.25/29, little changed from Friday.
[A]:
2