Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   1      pound         boneless skinless chicken breasts
   2      teaspoons     olive oil
     1/2  teaspoon      dried oregano
                        salt and pepper -- to taste
   8      ounces        pasta shells
   1      cup           artichokes -- marinated
     1/2  cup           black olives -- (oil cured)
     1/4  cup           Italian parsley -- chopped
   1      large         tomato
   3      tablespoons   fresh lemon or lime juice
                        cayenne pepper -- to taste
   1      teaspoon      dried oregano
                        sandwich spread -- to taste
     1/2  cup           olive oil
     1/4  cup           red onion -- minced

Preparation:

Prepare Lemon-Oregano Dressing (lemon juice and remaining ingredients) and set aside. Rub chicken with olive oil and sprinkle with oregano, salt and pepper. Grill and cool to room temperature. Cut into cubes. Add chicken to dressing and marinate, stirring occasionally, for 1 hour. Cook pasta. Rinse with cold water and drain. Add chicken and remaining ingredients and toss gently.