Given the following.

Rescue apparatus	Characteristic
P. Draeger BG-4	1. Open circuit chemical oxygen self-rescuer
Q. MSA IW-65	2. Filter type self-rescuer
R. Draeger Pulmotor	3. Self-contained breathing apparatus
S. Oxvoks	4. Resuscitation apparatus

The correct match is

A. P-3, Q-2, R-1, S-4

B. P-4, Q-1, R-2, S-3

C. P-3, Q-2, R-4, S-1

D. P-1, Q-4, R-3, S-2

Answer: Option C