F(x) members were cast by SM and Red Velvet members auditioned at SM?

F(x)

Victoria - She was cast at a dance competition in China

Amber - She was cast in America and was told to audition

Luna - She was cast on 'Truth Game'

Krystal - She was cast in a department store

Red Velvet

Irene - She auditioned with a friend when she was 19

Seulgi - She auditioned at Saturday open audition

Wendy - She auditioned at global audition in Canada

Joy - She auditioned at global audition in Seoul

Yeri - She auditioned at global audition in Seoul

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Instiz: Groups that have all members cast on a street & cast by auditioning

- Wow, Saturday open audition is said to be really competitive

- I didn't know that Amber was cast first!

- Wasn't Sulli also cast when she was a child actress?

- I also auditioned at global audition but... sobs