入乡随俗

入 = 丿 + ㇏ : Mnemonic symbol: an enter key like on a computer keyboard.

There is a special area in the space station's bathroom (Ø4) which is filled with bananas (丿), but you have to hit an enter key (入) to enter (入). Rachel Rhinoceros (ru) uses a finger (㇏) to press the button and get access to the bananas.

乡 = 幺 + 丿 : Mnemonic symbol: a tractor.

乡 = 幺 + 丿 : Marie Curie's tractor got stuck in a pile of bananas in front of the anglepod, with the wheels spinning helplessly. Her last hope is that she'll be able to free the tractor by pushing aces under the wheels, so that she can bring the tractor back to her hometown.

随 = 迶 + 阝 : Susan Saint Bernard walks the pope just inside the Eiffel Tower's kitchen. Susan Saint Bernard wants to climb the tower vertically and pulls on the pope's leash, but the pope cannot follow her, which puzzles Susan Saint Bernard because it's the most normal thing in the world to her.

随 = 迶 + 阝 : Susan Saint Bernard walks the pope just inside the Eiffel Tower's kitchen. Susan Saint Bernard wants to climb the tower vertically and pulls on the pope's leash, but the pope cannot follow her, which puzzles Susan Saint Bernard because it's the most normal thing in the world to her.

俗 = 亻 + 谷 : Rosa Luxemburg (亻) just arrived at the space station and in the entrance (Ø2) she sees Susan Saint Bernard (su) hanging out in her web. Rosa brought some popcorn (谷) as a present and asks Susan Saint Bernard whether she wants to watch a movie, which she does. Both of them think "when in Rome, do as the Romans do" (俗), so Rosa climbs up to Susan Saint Bernard in her web and Susan Saint Bernard eats some of Rosa's popcorn.