Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to prepare grapefruit for serving [title] Cut the grapefruit horizontally at its center. [step] Take a large, sharp knife and cut the grapefruit horizontally into two halves. [substeps] If you are unsure where the top and bottom of the grapefruit are, find the two dots, or navels, on the grapefruit at opposite ends.

Ending1: These are the outer halves of the grapefruit. Scrape off the center area of the grapefruit with your knife to separate it. Ending2: For quick and easy preparation, having a multifunction blender should actually do the trick. [title] Blend the grapefruit and other citrus juice together in a medium bowl. Ending3: These are the top and bottom of the grapefruit. Think of these dots as the " poles " of the grapefruit, like the poles of the earth. Ending4: These dots should either be on the inside of the grapefruit, or create a tilted triangle around one end. [title] Separate the grapefruit into two halves, sticky side up.

Answer format: ending1/ending2/ending3/ending4