Greek Salad Pitas

INGREDIENTS:

1 lg Head romaine lettuce,
-rinsed, drained, and
-chilled
1 lg Ripe, firm tomato, seeded
-and cut into 1/2 inch
-wedges
1 lg Cucumber, peeled and cut
-into 1/4 inch slices
1 lg Green pepper, rinsed,
-seeded, and cut into 1 inch
-chunks
1 Bermuda onion, or sweet
-white onion, peeled and
-sliced
4 Stalks celery, rinsed,
-drained, and cut diagonally
-into 1 inch chunks
1/4 lb Greek feta cheese, crumbled
1/4 lb Imported calamata olives
-olive