Preheat oven to 375. Cut the pita bread in half to open them up. Brush on 4 tablespoons of olive oil on the inside side of the pita, season with a 1/2 teaspoon of salt and a 1/2 teaspoon of pepper. Stick them in the oven on a rack for 10 to 14 minutes (until dry and crunchy). Put the garlic and 1/2 a teaspoon of salt and pepper in the lemon juice. Mix up the tomatoes, cucumbers, green onions, jicama, arugula, and pita broken into bite size pieces. Put the garlicy lemon juice over the mixture, add 6 tablespoons of olive oil over the salad. Toss and eat!