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 white dog with red ears is running in the snow. Sentence 2: a wet black dog with a red collar is in the river

A: 1
****
Q: Sentence 1: Spain asks for bank rescue Sentence 2: Spaniard on trial for Cuban dissident’s death

A: 0
****
Q: Sentence 1: Still, the "somewhat ambiguous ruling" might be a setback for Static Control depending on how it developed its competing product, Merrill Lynch analyst Steven Milunovich said. Sentence 2: But Merrill Lynch analyst Steven Milunovich said the "somewhat ambiguous ruling" by regulators might be a setback for Static Control depending on how it developed its competing product.

A:
5
****