A 'girl teases dog story' could have various scenarios. For example, the girl could be teasing the dog with food. She holds a treat in her hand and moves it around, making the dog follow her every move. The dog might be begging with its big, cute eyes. Or perhaps the girl pretends to throw a ball but doesn't, causing the dog to run a short distance and then look back at her all confused. This kind of teasing can be a form of interaction between the girl and the dog, but it should always be done in a kind and safe way so as not to annoy or harm the dog.
In a 'girl teases dog story', the girl might playfully tug on the dog's tail or hold a toy just out of its reach, making the dog jump around excitedly.
Well, it could be that the girl teases the dog by making funny faces at it. The dog might respond by barking or wagging its tail vigorously, thinking it's all part of a game. Maybe she also hides behind a tree and then suddenly jumps out to startle the dog in a harmless, teasing way.