牢

牢 = 宀 + 牛 : Sir Lancelot (l) keeps a bull (牛)in the aorta's kitchen (ao2) by imprisoning (牢) it in a very sturdy (牢) graduation cap (宀).

宀 = 丶 + 冖 : Mnemonic symbol: the strokes of this character look like a graduation cap (宀). Marilyn Monroe (mi-) wants to go to the anthill after her graduation from university. In the anthill's kitchen (an2), her friends snatch away her graduation cap (宀), and instead put a cooking top (冖) and a petal leaf (丶) on her head.

牛 = 𠂉 + 十 : A bull has been locked to a big cross in the outhouse's kitchen, and Nefertiti has the key. She promises to free the bull if he pledges allegiance to her leadership.