序文

序 = 予 + 广 : Due to an emergency Xu Xian (xu) and Zai Yu (予) both have to leave the space station from the bathroom (Ø4) and parachute (广) back to earth. They just cannot decide on the sequence (序) of who's going first.

文 = 乂 + 亠 : Mnemonic symbol: a thick book.

Willy Walrus (w) wants to cook in the encampment's kitchen ((e)n2). The recipe book (文) is extremely greasy and Willy doesn't want it to touch anything, nor touch it. That's why he puts it into a beret (亠) so that it doesn't touch the floor, and uses pliers (乂) to turn the pages.