Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to know if your cat ate something toxic [title] Watch for gastrointestinal distress. [step] Excessive vomiting, diarrhea, and frequent urination may all be symptoms of poisoning in cats. Watch closely when your cat goes to the bathroom and listen for sounds of heaving.

Ending1: If your cat has diarrhea, it may fall over. [substeps] Turn your cat in the direction of the vomiting. Ending2: [substeps] A cat may not experience all of these symptoms, depending upon what sort of toxic substance your cat ingested. Do not wait for multiple symptoms to appear. Ending3: This may also be an indication of another type of poisoning, such as feline atrophy, which is caused by dislodged blood clots. All cats should see a vet immediately if they have gastrointestinal distress. Ending4: If your cat urinates often and suffers any diarrhea afterwards, it may be a sign of obstruction of the pancreas. If you have previously thought your cat ingested something toxic, you should look for foul-smelling fecal secretions.

Answer format: ending1/ending2/ending3/ending4