Our house rules clearly state: "please do not let the cat out" and "don't feed the cat". The rules are in our listing and also printed in the room. We also have signs on the main door and balcony. It should be clear to all the guests. However our recent guest locked out the cat in the balcony and gave him a can of food (I guess to bring him to the balcony). Luckily the cat didn't jump and escape but he was shocked and in panic until we arrived.
We asked our guest why she did that as the rules are clear written in multiple places and with signs. She appologized and say that she is afraid of cats, she was in panic and didn't know what to do. She could have closed the door of her room to avoid the cat getting in, or she could have locked the cat in the bathroom, the other room, etc. In addition, she never sent a message or called us, that could have been the easiest solution.
We undestand that she was in panic and didn't know how to react. However: she never read the listing (she confirmed this) as she didn't know we had a cat (before booking they have to acknowledge that a cat lives in the property), she failed to communicate with us when there was a problem, and she clearly ignored the house rules. She appologized multiple times after, I think she really felt bad for what she did, probably didn't think carefully as a result of the panic situation.
As hosts, we are usually very understandable and we haven't writen a bad review yet (we didn't really have any problems with guests). This time I'm not sure what to do. Should I write a bad review and mark her as a non-recommended? This will really hurt her for instant bookings and future bookings. I kind of feel bad because if other hosts don't have pets, she might be ok as a guest.