Broccoli Salad

2 heads fresh broccoli, chopped

1 head fresh cauliflower, chopped

1/2 cup red pepper, chopped

1/2 cup chopped green pepper

1/2 red onion, chopped

1/2 cup green olives

1 cup tomatoes, chopped

1 cup shredded sharp cheddar cheese

1 cup ranch dressing