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.

Sent1: This appeared to me to be an argument that self defense cannot exist if a gun is used.
 Sent2: The question is whether or not it really matters if guns were used less for self defense and more for aggression.
Not similar

Sent1: I think the 2nd Amendment does apply to modern guns.
 Sent2: As a gun-owner and/or strong 2nd Amendment advocate, its importance cannot be overstated, and I do believe it has the potential to render a slew of local, state and federal laws null and void.
Not similar

Sent1: IF you previously had laws that made openly carrying weapons illegal, and you then pass a concealed carry law, if somebody is carrying a gun and it is not concealed, they are breaking the law.
 Sent2: Lott's More Guns, Less Crime is the bible of the national movement to persuade state legislatures to pass so-called "concealed carry" laws, which permit citizens to carry concealed firearms.

Not similar