繫囚

系 = 丿 + 糸 : Mnemonic symbol: As this is the second character in 关系 (guanxi), I'll use shaking hands as the symbol for 系.

系 = 丿 + 糸 : In the space station's bathroom, Marie Curie found a new binding mechanism in chemistry. To demonstrate her findings, she binds two bananas together with a silk scarf. She celebrates her findings by shaking her own hand over her head.

囚 = 囗 + 人 : In the 18th century Neanderthal men (人) were kept like prisoners (囚) in plastic enclosures (囗) in the outhouse's kitchen (ou2).