Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to make pulled pork pizza [title] Cook pork in a slow cooker. [step] Combine beef broth and pork in the slow cooker. Set the heat to high.

Ending1: If you have placed 2-3 tbsp (30 ml) of broth in the slow cooker, that should be enough to cook the pork. In fact, many cooks store the broth in the slow cooker overnight, especially in hot months. Ending2: Allow it to cook for four hours, or until the pork is tender enough to readily shred. [substeps] Use a liner inside of your slow cooker to make cleanup easier. Ending3: Add butter and cook the pork for 10 minutes. It should be soft enough to be handled easily, but not soft enough that it squishes into sauces. Ending4: When the pork mixture starts to boil, lower the heat and let it simmer with gas in the bottom of the slow cooker. [substeps] You can substitute sausage or garlic for the meat in your pork if you prefer.

Answer format: ending1/ending2/ending3/ending4