You must always be kind to animals
Paula is leaving home to do some shopping and notices that the dog's water bowl is empty.
Paula wants to leave the dog at home.
Paula fills the bowl with water before leaving dog alone in the house.
Paula decides to fill the bowl when she gets home and leaves the dog with no water.
The dog is able to get a drink when it gets thirsty.
The dog gets thirsty while Paula is gone and has no way to quench it's thirst.