Slice the pork into large cubes. Put in a large mixing bowl.
Add in the marinade ingredients in the bowl: soy sauce, banana ketchup, pineapple juice, tomato sauce, pickle relish, half of garlic, half of onions, bell peppers, kalamansi, salt and pepper.
Stir all the ingredients in the bowl then cover and marinate for 1 hour.
In a pot or wok, melt the margarine and saute the remaining garlic and onions until onions are soft.
Then add in the marinated pork with the marinade. Bring to a boil and simmer for 1 hour or until the pork tender.
Serve hot with steamed rice.