brown horse running in the sand
red horse running in sand
the horse is brown
horse running in sand
The horse is running. 
The dust is below the horse.
The horse is brown and black.
this is a horse
the horse is in motion
a horse running through sand
This horse is a brown color
The horse is losing balance
The horse is galloping swiftly
There are red barns in the background
There is shrubery behind the horse
The horse is dirty with mud
a brown horse is running through sand in the field