Please choose the correct ending to complete the given sentence: Health: [header] How to cement a crown [title] Notice that your crown has fallen out. [step] Crowns typically fall out while eating. The crown may be stuck in a piece of food, or you may feel it in your mouth while you are chewing.

Ending1: If you see these signs of loss, take a break and try to find a replacement one. [substeps] Some crowns are found under food trays, but no matter what yours may be in the tray itself. Ending2: If this happens, take the crown out of your mouth or the piece of food. Clean it off with water and a paper towel. Ending3: Skipping meals altogether puts the crown in your mouth and makes your problem worse if you have another tooth. [substeps] When you are walking in a public place, watch for missing a tooth. Ending4: Remove it, and watch if it pops back in. If that happens, it may be broken by someone else.

Answer format: ending1/ending2/ending3/ending4