Argument A: Rugby is not the most popular sport in the world. From this, we know that the most popular sport in the world is soccer, since either soccer or rugby is the world's most popular sport.

Argument B:
A printed message is taped to the office copy machine stating that the copier is out of order. Because of this, it follows that I will have to find another copier machine.

Argument C:
Since my automobile battery was dead when I tried to start my car for my morning commute, it is probably the case that I left my headlights on overnight.

Argument D:
If Aristotle was the teacher of Alexander the Great, then Alexander the Great was taught by a student of Plato. It is known that Aristotle was the teacher of Alexander the Great; so it follows that Alexander the Great was taught by a student of Plato.

Required:
Is Argument A, B,C, & D deductive or inductive?