Please choose the correct ending to complete the given sentence: Health: [header] How to tell if a soft contact lens is inside out [title] Place the contact lens on your finger. [step] The rounded side should be downward, touching your finger. If it looks kind of like a bowl or a cup on your finger, you have it in the right orientation.

Ending1: If it looks like a dome, with the rounded side up, you have the contact lens flipped the wrong way. [substeps] If you can't keep the lens even, try placing it on your palm instead. Ending2: [substeps] For a softer object, such as a coin, try a toothpick--it's clean, and you can find fresh, clean, soft toothbrushes at your local drugstore or sporting goods store. If you find that you rarely use it, take it to the dry cleaner. Ending3: If it looks more like the inside of your hand, the lens is inside out. Sometimes the soft part of the lens is inside out, so it's important to find the right direction. Ending4: The rounded side of the lens should face down. If it looks kind of like an envelope, there is a good chance it is inside out.

Answer format: ending1/ending2/ending3/ending4