选
=
先
+
辶
:
Xu Xian (xu) squired the FLOTUS (先) to go shopping, but inside of the anthill (an3) he soon regrets his decision as he has to help the FLOTUS select (选) one pair of gladiator sandals (辶) out of hundreds of similar looking pairs.
召
=
刀
+
口
:
Mnemonic symbol: an intercom to call everyone together. James II of England (zh) prepares a few mandarins (口) for everyone in the aorta's bathroom (ao4) by cutting them with a cleaver (刀). As he is finished he calls all the blood platelets together (召) over the intercom (召) to come over and fetch a piece.