In A Large Skillet Over Medium Heat, Brown Chicken In Oil For About 4 Minutes On Each Side Or Until Almost Tender. Add Celery, Onions And Peppers; Cook Until Vegetables Are Crisp-Tender. Stir In The Beans And Mushrooms; Cook Until Chicken Juices Run Clear. Stir In The Broth, Water And Seasonings. Bring To A Boil. Stir In Rice; Cover And Remove From The Heat. Let Stand For 5 Minutes Or Until Rice Is Tender; Fluff Rice With A Fork.