Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to fillet a mackerel [title] Place the fish onto a cutting board. [title] Fold down the pectoral fin (on the side of body) against the head. [title] Put the blade of your knife behind the folded fin, holding the knife at a slight angle.

Ending1: [title] Begin bringing the blade up, cutting through the top of the fish. [step] You will see the skin feed through so don't cut so close to the fish's body-cut as close to the bone as possible. Ending2: [title] Sever the head and fins from the body in one slice of the knife. [substeps] When you are cutting a mackerel, do not press down with the hand holding the fish. Ending3: [title] Slowly cut downward, without jerking, around the fin to remove the fillet. [title] Set the brining fork on a plate. Ending4: [title] Slide the knife across the marked shark fin, turning the fin over in the manner suggested in method one. [step] You can also use the elbow for doing this, but it really depends on the fish.

Answer format: ending1/ending2/ending3/ending4