Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to force paperwhite narcissus bulbs [title] Choose bulbs that look healthy. [step] Don't choose any that seem at all mushy or discolored as this can indicate rot. Any bulbs showing signs of disease or rot should be thrown away-don't compost them as this can spread infection round the garden.

Ending1: [title] Store your bulbs in a cool, dry place. [step] After purchasing, store your bulbs in a cool, dry place and exclude light until you are ready to prepare them for forcing. Ending2: [substeps] If you have a bulb with visible signs of rot, discard it and throw the rest of the fertilizer aside. [title] Cut the bulb and inspect it for cracks. Ending3: Make sure the bulbs are fresh and healthy. Never feed mature, healthy bulbs to critters. Ending4: Have gardeners spread compost over the bulb already into the tray while it slowly thins to prevent rotting and may tempt insects to repopulate the bulb. A row of yellow cards at the bottom of your container is a good start.

Answer format: ending1/ending2/ending3/ending4