Roast Beef Pita Supreme

¼ pound sliced lean roast beef, cut into strips
2 cups torn romaine lettuce
1 small orange, peeled and cut into chunks
2 tablespoons balsamic vinegar
1 tablespoon Pecans, coarsely chopped
¼ teaspoon dried basil
2 small oat bran pita breads, halved

In a medium bowl, combine beef, lettuce, orange, vinegar, pecans and basil. Divide the beef mixture among the four pita halves.