科

科 = 斗 + 禾 : In front of the elevator, Karl Marx wants to conduct one of his science experiments. He wants to condition the matador to only eat cereals until the end of his life.

禾 = 丿 + 木 : Mnemonic symbol: a bowl of cereals.

Hamlet (h) made himself a bowl of cereals (禾) with bananas (丿) and Christmas trees (木) in the elevator's kitchen (e2). He holds the bowl of cereals like he would hold Yorick's skull.

斗 = ⺀ + 十 : Mnemonic symbol: a 斗牛士 (dou4 niu2 shi4) is a matador, who will represent 斗 when used as component.

The matador (斗) and Don Quixote (d) are fighting (斗) in the outhouse's bathroom (ou4) about who may use the bathroom next. The matador yields a holy cross (十) as a weapon, while Don Quixote (d) wisely chose a blossom (⺀) to cushion the crosses' blows.