½ watermelon, seeded and cut into 1 inch cubes
2 tomatoes, cut into 1-inch cube
2 ears fresh corn, kernels cut away from cob
6 mint leaves, sliced thinly
½ large red onion, thinly sliced
½ cup crumbled feta cheese
2 tablespoons olive oil
1 tablespoons white balsamic vinegar
1 pinch salt, or to taste
1 pinch black pepper