Identify which of the following are sound arguments?$($select all that apply$)$:

All humans are mammals. You are a human. So$,$ you are a mammal.

Every person named Susan that I have met has been friendly. All people named Susan must be friendly.

If Julius Caesar had taken control of the Roman government without the use of military force, he would not have been assassinated.

All felons have been convicted of crimes. Anyone who's convicted a crime is guilty in the eyes of the law. Therefore, all felons are guilty in the eyes of the law.

Everyone who suffers from arthritis is in pain. Janet is in pain. Therefore, Janet suffers from arthritis.