Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to core a cabbage [title] Know which types of cabbage to use this method with. [step] This method should be used with round heads of cabbage, the most common being green cabbage, red (or purple) cabbage, and savoy cabbage. [substeps] Note that there are some similarities between this method and the standard method used for cutting long cabbages, but there are a few small difference, as well.

Ending1: Red cabbage is generally slower and more difficult to core. [title] Cut just past a curve if you are more advanced. Ending2: Purple cabbage is thick and green, while savoy cabbage is fairly thin and circular and oblong. [title] Cut the cabbage with a boning knife if you are using cabbage seed. Ending3: We will be using the upper third of the cabbage as our " root " and another third as our core. Do it with sharp cutting lines if you wish to eliminate the strong core, etc. Ending4: [title] Cut off the stem of the cabbage head. [step] Use a sharp kitchen knife to trim off any portion of the stem that extends below the bottom of the cabbage head.

Answer format: ending1/ending2/ending3/ending4