MBC's "Idol Brain Collision" featured a number of events, some of which had questionable relevance, including a flexibility contest and arm-wrestling. Relevance aside, some of idol group members were asked to spell the word "chicken" in English, and some of the answers were nothing short of comical. f(x)'s Luna, SISTAR's Bora, and Girls' Day Minah all failed to spell it correctly, but sure earned creativity points for some quick thinking on the spot! Luna spelled it "chikien", Minah spelled it "Chik Chik", and Bora spelled "chcken." [gallery columns=4] Tip: Pinkie