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: 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 .
[A]: 2


[Q]: Sentence 1: china is north korea's closest ally. Sentence 2: north korea is a reclusive state.
[A]: 1


[Q]: Sentence 1: The child in the red coat laid in the red mat. Sentence 2: The toddler is ready to climb the red piece of equipment.
[A]:
1