Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to make pho [title] Collect beef bones. [step] Although your pho will get a lot of its flavour from the ingredients you throw into it while cooking, it's a good idea to rely on beef bones for the majority. A lot of beef flavour sinks into bone marrow, making bones a perfect tool for creating hearty broths.

Ending1: It's recommended you fill up a pot with water and put in the bones as early as you can. A broth needs at least 6 hours simmering to complete, and you'll want to replace the bones with meat ingredients at an earlier stage. Ending2: [substeps] Pick up one or two beef bones from your local butcher, as well as one from the same department store. You can easily swap out your butcher's beef bones for the perfect pho. Ending3: [title] Pick pieces of bones to make beef bones. [step] Braising bones will produce a perfect brothful stew that is easy to saute on the stove. Ending4: You can use meat bones, beef liver, cilantro, or other meat you like, in place of bones. [substeps] You can even buy beef bones online or at your local grocery store.

Answer format: ending1/ending2/ending3/ending4