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.
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Question: Sentence 1: The Nazis increases the longevity of a handgun permit from  to  years. Sentence 2: The Nazis lowered the minimum age to buy a firearm from  to .

Answer: 2


Question: Sentence 1: It is mostly just the Dutch. Sentence 2: In fact, it's just the Dutch.

Answer: 4


Question: Sentence 1: A brown furry animal stands behind some plants. Sentence 2: A dog pants while standing in the woods.

Answer:
1