Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to unplug ears [title] Yawn or chew gum to open your eustachian tubes. [step] Sometimes when your ears are clogged, the remedy is as simple as yawning, which can equalize the pressure in your ears. Or, pop a piece of sugar-free gum in your mouth and chew it for a few minutes.

Ending1: This can help clean your ears and ease pressure in your ears. [substeps] Filling up with any sugary sugar helps alleviate the symptoms and helps to eliminate dead cells from glands which in turn are also responsible for overheating. Ending2: A little bit of gum keeps the " air " out of your ear, which can prevent your ear canal from acting like a vacuum. In addition, this may prevent the growth of ear infections. Ending3: These simple methods can get your ears to pop, providing immediate relief. [title] Try the toynbee maneuver to unclog your ears. Ending4: If you have sore ears, you can open the eustachian tubes by massaging them to relieve pain and tension in the ears. [title] Breathe deeply through your nose or under your tongue to open the eustachian tubes.

Answer format: ending1/ending2/ending3/ending4