TASK DEFINITION: We would like you to classify each of the following sets of argument pairs (discussing Gun Control)  into either SIMILAR or NOT SIMILAR. A pair of arguments is considered SIMILAR if the arguments are about the same FACET (making the same argument), and is considered NOT SIMILAR if they do not have the same FACET. A FACET is a low level issue that often reoccurs in many arguments in support of the author's stance or in attacking the other author's position.
PROBLEM: Sent1: Perhaps if other types of firearms were as strictly regulated as machine guns
 Sent2: No, but they might like to challenge the conclusion that states with less strict firearm laws are more often the source of guns used in crimes, in other states, than guns from states with stricter gun laws.

SOLUTION: Not similar

PROBLEM: Sent1: For every one crime gun that California exports, we get more than two crime guns imported back into our state."
 Sent2: We have more crime than fully armed countries not because we don't have guns.

SOLUTION: Not similar

PROBLEM: Sent1: ...Virtually never are murderers the ordinary, law-abiding people against whom gun bans are aimed.
 Sent2: One such person who is prohibited by federal law from having a firearm at all is the convicted felon:

SOLUTION:
Not similar