So my friend brought over her puppy...we come back into the living room and there is water spilt all…

So my friend brought over her puppy...we come back into the living room and there is water spilt all over the couch...and some type of food??? She blamed my 9 year old dog who has never done that before and ever! And smacks her like oh hell nicer never has this problem before and it was obviously your puppy that I don't even want here and do anyways