Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to cook fish on a barbecue [title] Clean the grill grate. [step] One of the trickiest parts of cooking fish on a barbecue is making sure it doesn't stick. If your grill grate still has bits of the last thing you cooked stuck to it, the fish's delicate skin and flesh will stick to the grate and the fish will fall apart.

Ending1: If that happens, rinse the grate with distilled water to be safe. [title] Lay the fish on a non-stick surface. Ending2: Clean your grill grate well with a stiff-wired grill brush. After you've scraped off all the bigger chunks of debris, finish the job by wiping off the dust with a dampened paper towel. Ending3: [title] Place a fish base in the center of the grill. [step] Now that you've cleaned your grill grate and it's clean, position the fish base in the center. Ending4: To prevent this, clean the grill grate in the morning so you don't have to clean it again when you're cooking earlier. [substeps] Use a wet-cleaning brush or sponge to thoroughly clean the grate.

Answer format: ending1/ending2/ending3/ending4