Please choose the correct ending to complete the given sentence: Grooming dog: A woman grooms her dog while describing its history. Other animals watch in the vets office. a man off camera

Ending1: mounts a rail. Ending2: holds a velo reader. Ending3: asks about the vets technique while she continues to do her work. Ending4: dredges up a video store carpet.

Answer format: ending1/ending2/ending3/ending4