U Ponnya's Nwa Mee Hinga (Oxtail and Watercress Soup)

Yield:	4 Servings
Categories:	Burmese, Soups

1	lb	Oxtail, divided into sections
2		Cloves garlic, chopped fine
1	tb	Fish sauce (nam pya ye)
1/2	ts	Salt
4	c	Water
1/8	ts	Pepper
1/2	bn	Watercress, divided into stems