择善固执

择 = 丨 + 又 + 扌 + 二 : Zorro (z) has to select (择) his new weapon between two terrible choices (择) in the elevator's kitchen (e2): there is either a boxing glove (又) or a dinosaur bone (丨). He has to select one using a toy claw (扌), but he has to choose wisely: one of the items is hooked to a charged capacitor (二) which will shock Zorro should he take the wrong choice (择).

善 = 业 + 口 + 羊 : Mnemonic symbol: a good book about etiquette.

Sherlock Holmes (sh) finds a bullfrog (业) and a sheep (羊) fighting viciously over a mandarin (口) in the anthill's bathroom (an4). He finds this behaviour unbearable and starts to read Emily Post to them to teach them some manners (善).

固 = 古 + 囗 : Gitta Giraffe is building a hard and solid stronghold inside the bathroom's space station. The stronghold consists of a cloister inside a wooden box.

执 = 丸 + 扌 : Mnemonic symbol: 执照, "license". James II of England (zh) is being held up at the security check in the space station's kitchen (Ø2). They hold a bag of painkillers (丸) they found with a toy claw (扌) in front of him and they ask him to show his drug license (执).