Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to become an olympic figure skater [title] Start early. [step] If you are serious about olympic-level figure skating, you should start training as a child. Some olympic-level skaters (such as johnny weir) started as late as their early teenage years, but this is rare.

Ending1: [substeps] Many figure skaters start around 5 years old. However, there are successful figure skaters who began in the 7-12 age range. Ending2: It is hard to improve their skill as an adult if you don't start early enough. [substeps] Most olympic-level skaters begin as early as their teen years, especially in high school. Ending3: You should start at around 6-12 months of age. Don't wait until the middle of your teens to start. Ending4: You should start your training as early as possible, and sooner if you want your figure skater to reach as large as your torso (chest muscles). [substeps] Never ever do the splits until you are ready.

Answer format: ending1/ending2/ending3/ending4