Please choose the correct ending to complete the given sentence: Health: [header] How to remove a mole with iodine [title] Proceed with caution. [step] Even though iodine mole removal is a popular home remedy, it's currently an unverified one. There is not enough medical evidence to prove or disprove its effectiveness.

Ending1: However, there is a strong chance you or someone else who has recently been exposed to an iodine mole may begin the process. Skip this step and it has its ups and downs for some people. Ending2: [substeps] On the other hand, there's no evidence suggesting that the practice is dangerous, either, and using iodine is safer than attempting to shave off the mole at home. You should never try shaving off a mole, even if you know it isn't cancerous. Ending3: [substeps] Learning about the risk associated with a mole is helpful in making your choice of treatment a safe one. Note that some mole removal techniques show significant resistance to iodine mole removal techniques when applied correctly, which in turn means the mole is unlikely to appear again. Ending4: Nonconclusive testing of an iodine mole may prove ineffective. Other diagnostic and treatment options are still pending, as theories are not yet verified.

Answer format: ending1/ending2/ending3/ending4