To properly diagnose this condition, the doctor removed the stethoscope and got the thermometer, as the 
OPTIONS:
- stethoscope was vital in finding the symptoms.
- thermometer was vital in finding the symptoms.
thermometer was vital in finding the symptoms.

The doctor proceeded with the injection to put in the vaccine and not the treatment because the 
OPTIONS:
- vaccine was not available.
- treatment was not available.
treatment was not available.

Randy was fed up with the heat, and Eric loved it, but 
OPTIONS:
- Randy was far more comfortable in cool climates.
- Eric was far more comfortable in cool climates.
Randy was far more comfortable in cool climates.