This is a pony
The pony is white and brown
The pony is small
The pony is standing in a field
This is a tall wooden fence
This is a field of grass
A brown and white horse standing in a field
A colt standing in a field
a young horse standing on the grass 
a tall brown fence 
brown and white foal
wood fence behind the foal
pasture foal is in 
brown and white horse standing in grassy field with fence and wood fence in green pasture