姐夫

姐 = 且 + 女 : Bessie Coleman (女) and Joan of Arc (ji) have been searching through an ancestry archive for days and days. Inside of the elevator (e3) they stand in front of a shelf (且) which contains thousands of ancestry records, and after they worked very hard, they found out that through some complicated lineage they are older sisters (姐) to each other.

夫 = 二 + 人 : Mnemonic symbol: a construction worker

夫 = 二 + 人 : In front of the space station, Neanderthal Man and a construction worker are busy exchanging a broken capacitor. When Frieda Fox floats by they whistle at her because they think she's hot, but Frieda is just annoyed.