Oriental Chicken Pitas

Ingredients

• 1 1/2 c. chopped, cooked chicken, cooked without salt or fat
• 1 c. alfalfa sprouts
• 1/2 c. chopped water chestnuts
• 1/2 c. sliced green onions
• 2 Tbsp. rice wine vinegar
• 2 Tbsp. reduced sodium soy sauce
• 2 tsp. dark sesame oil
• 2 (6-inch) whole wheat pita bread rounds, cut in half crosswise
• 4 lettuce leaves