Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to irish step dance [title] Gain some background information about irish step dancing. [step] While it's not necessary, it is certainly helpful. [substeps] There are three types of shoes worn-girls' soft shoes, boys' soft shoes, and hard shoes.

Ending1: Firmly select the shoes you prefer that fit your feet, and ensure that they are not too hard or too soft. If walking, keep the tips of your toes pointed to the ground as you do so, and keep your feet on the outside. Ending2: Most often they come out of almost any shoe, with very short, medium and tall shoes taken out for dancing. These shoes are generally replaced by heel highs. Ending3: You will want to wear something with a stick for stability, balance, and good posture. You can wear flats, gym socks, etc. Ending4: Boys' soft shoes and hard shoes resemble tap shoes, except instead of metal, resin is used. Boys' soft shoes also only have a tap at the heel.

Answer format: ending1/ending2/ending3/ending4