This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to diagnose respiratory problems in rabbits 
Look for nasal discharge. 
The most common respiratory problem is' snuffles ,' a disease that causes upper respiratory tract infections with a nasal discharge. The classic pasteurella infection discharge is a thick, creamy white discharge from the nostrils.

Pick from: [+] When cut off, the mucus and blood will evaporate out from the nose. If your rabbit's nose discharge feels light, pale pink, tender to the touch, or has a yellowish pallor, it is very likely fungus.; [+] The discharge from the nose is yellow or reddish in color. It does not appear bloody, warm to the touch, or foul smelling.; [+] Your rabbit may wipe away this discharge with a cotton ball. If this mucus secrets from the nose, get it tested.; [+] However the discharge can be anything from watery to white to yellow. Pasteurella is so commonly a cause of ill health because many rabbits have it in their respiratory tract as a normal inhabitant.;
The answer is:
However the discharge can be anything from watery to white to yellow. Pasteurella is so commonly a cause of ill health because many rabbits have it in their respiratory tract as a normal inhabitant.