Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to treat breathing problems in french bulldogs [title] Pay attention to breathing noises. [step] Many of the snorts and snores that french bulldog owners take for granted are actually symptoms of their breathing distress. These signs include heavy panting, even at rest, and snoring when the dog is asleep.

Ending1: Seek treatment immediately if your french bulldog starts exhibiting any of these symptoms : [substeps] Wheezing-a heavy wheezing sound. The hairs on your dog's back stand up when the dog breathes. Ending2: You should watch your french bulldog for any unusual behavior you should be aware of. [substeps] Some french bulldog owners describe their breathing as completely silent but completely vacuous. Ending3: [substeps] Whether the dog is slowing his breathing or has trouble breathing, it is a big indicator of what is behind his breathing. The fact that he moves his lips backward while breathing suggests concern. Ending4: A dog that can breathe easily should not make much noise at all. [substeps] If it sounds like your dog is struggling to breath, especially when it has not been doing a lot of exercise, that is not normal and the dog should be looked at by a vet.

Answer format: ending1/ending2/ending3/ending4