亻
=
丿
+
丨
:
Mnemonic symbol: Rosa Luxemburg. She's quite radical, and her name starts with "r", just like "ren2". Also, 亻appears at the left-hand side of characters, and Rosa is a leftist as well.
Robinson Crusoe (r) and Rosa Luxemburg (亻) are having their favorite snacks in the encampment's kitchen: Rosa is eating a banana (丿) and Robinson is eating a dinosaur bone (丨).
羊
=
丫
+
三
:
Maud Younger is looking for gender equality just inside the anglepod's kitchen—and a dowsing rod is her tool of choice. A sheep sees this and imitates her, using a Cartesian coordinate system as a dowsing rod substitute.