It's wrong to push a baby.
Suzie has a baby sister, Kate, who is playing with one of Suzie's toys.
Suzie wants to get her toy back from Kate.
Suzie waits until Kate is done playing, then retrieves the toy.
Suzie pushes Kate over so that she drops the toy, then takes it.
Suzie plays with the toy for as long as she wants.
Suzie's mother berates her and sends her to her room.