免疫反應

免 = ⺈ + 口 + 儿 : Mnemonic symbol: 免责说明, a disclaimer.

Marilyn Monroe and the crane are on a date in the anthill. Sun Wukong served them cocktails in two mandarins, but the cocktails are so terrible that Marilyn and the crane had to puke all over the place which ruined their date. They want to sue sun Wukong, but he just shows them the place's disclaimer telling them that he is exempted from any responsibility.

疫 = 殳 + 疒 : Maud Younger (y) was supposed to fight an epidemic (疫) in the space station's bathroom (Ø4), but all she got was a halberd (殳). Very soon she got a colorful rash (疒) herself, but she still stands guard in the bathroom and forces everyone to wash their hands regularly.

反 = ⺁ + 又 : A protester (mnemonic symbol for 反) makes a racket in the anthill's living room (an3). He's got a huge banana tree (⺁) with him and wants to protest against the exploitation of banana farm workers. Frankenstein's Monster (f) is annoyed by him and punches him with a boxing glove (又).

应 = 广 + ⺍ + 一 : Mnemonic symbol: from 应龙, responsive dragon. The responsive dragon knows every answer to every quiz question ever asked.

应 = 广 + ⺍ + 一 : Maud Younger and the responsive dragon want to peacefully take over engine: They skydive into engine's bathroom using two parachutes. On top of it, Maud Younger plays a flute, and the responsive dragon is waving with a daisy responding to the rhythm of the music.