Greek Pasta Salad

Pasta of your choice 8 ounces
Cucumber chopped
Whole onion, chopped
Two Tomatoes, chopped
Two bell peppers, your choice of color, chopped
One can block olives
One small container, feta cheese
1/2 cup olive oil
1/2 cup red wine vinegar
Juice of one whole lemon
Half a cup of parsley