What happens next in this paragraph?

A young woman in a black shirt and jean pants is sitting on the back of a grey horse with a long grey mane in the middle of a large grassy field with hills behind them. the horse
Pick from: -begins to move forward on the back and the girl began to follow.; -and the woman jump onto the fence of the field and lip sync to start off a song with the woman and the girl standing behind her watching her.; -instantly begins running with the woman still walking on front him, when they reach the other end of the field where two people are standing together, the woman gets off and the boy follows after her.; -begins to trot and then slows down a little bit and starts smiling as she steers the horse in a circle.;
begins to trot and then slows down a little bit and starts smiling as she steers the horse in a circle.