Question

If your cat does not react well to a particular change, go back to the last step that the cat was comfortable with for a while.

What is the most concise and specific way to rewrite the tip from the passage without changing the meaning?
If your cat has a problem, go back to one of the previous step for a few weeks.
If your cat does not adapt to change, revert back to the last step the cat was comfortable with.
If your cat has a problem with the toilet, revert back to the litter box.
If your cat has trouble adapting to any step, revert to the previous step for a few weeks.

Answer 1

I am leaning towards the 2nd one....but I am not too sure you can end a sentence with the word " with ".
I was trying to decide if it was the 2nd one or the 4th one....not 100% sure...but I believe it will be one of those two.