Pasta Shells with Tomatoes and Olives

I made this to take to a family reunion and made it the day before. As stated in the recipe, it can be made in advance and still be very good. It was still good two days later. (I kept the leftovers on ice so were safe to eat later.) It is a recipe that is easily adaptable if you don't like some of the listed ingredients. Just leave out what you don't like and/or add other things. I made it as given and thought it was delicious. Will definitely make again.