Almost a Guacamole

Saw half an avocado in the fridge and decided a nice guacamole would be nice, then i saw the leftover hamburger...

Recipe:

- half an avocado, chopped
- tomato
- lemon
- garlic
- onion
- black olives, pitted and chopped
- feta cheese
- olive oil
- salt and pepper
- oregano
- cucumber
- celery