### Instruction:
What are the primary uses of horses according to the text?

### Input:
Horses and humans interact in a wide variety of sport competitions and non-competitive recreational pursuits as well as in working activities such as police work, agriculture, entertainment, and therapy. Horses were historically used in warfare, from which a wide variety of riding and driving techniques developed, using many different styles of equipment and methods of control. Many products are derived from horses, including meat, milk, hide, hair, bone, and pharmaceuticals extracted from the urine of pregnant mares. Humans provide domesticated horses with food, water, and shelter as well as attention from specialists such as veterinarians and farriers.

### Response:
Horses can be used for recreational activities and therapy as well as working activities like police work or agriculture. Historically horses were also used in warfare. Horses can also provide products like meat, milk, hide, hair, bone or pharmaceuticals.