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

How to treat chronic vomiting in cats
Determine if your cat is healthy aside from her chronic vomiting.
If your cat is healthy despite vomiting often, it means that there is most likely no underlying medical cause that needs to be treated. Instead, aspects of your cat's lifestyle might need to be changed.

Select from:
[I] If your cat is less likely to vomit frequently, but her stomach is still full, it means that there is a serious medical issue that needs to be assessed. Consider switching your cat's diet.
[II] Go to your veterinarian to begin treatment. If your cat suffers from persistent chronic vomiting, call emergency veterinary office and ask if they can arrange for treatment.
[III] Signs that this may be the case include : Your cat is not losing weight. Your cat acts like she normally does, and seems generally healthy.
[IV] Your cat might have ingested too much zoloft. Under normal circumstances your cat should be examined by a vet.
The answer is:
[III]