虛假

虚 = 业 + 虍 : Xu Xian (xu) and the bullfrog (业) were preparing for a football game in front of the space station (Ø1) and had already painted eye black stripes (虍) onto each other when suddenly a black hole (虚) appeared and sucked their eye black off again before collapsing.

假 = 亻 + 叚 : Rosa Luxemburg and Joan of Arc want to go on vacation together, but they already used up all of their vacation days. That's why for the upcoming eye examination in the ashram's bathroom, they put in some glass eyes so that they will get a sick leave.

Mnemonic symbol: a fake eye, 假眼