逻辑学

逻 = 罗 + 辶 : Lenny Lemur (lu) is patrolling the observatory's kitchen (o2) in his patrol boat (逻). He is patrolling three gates: behind two of the gates there is one pile of gauze (罗) respectively, but behind the last door there is a pair of beautiful gladiator sandals (辶). He will ask any visitor to choose one of the gates, then open another one and show the gauze behind it. Any visitor who doesn't get the logic (逻) why it is better to choose the remaining gate then is not allowed to enter the castle.

辑 = 咠 + 车 : Ever since Joan of Arc (ji) obtained a talking cabriolet (车) it has been whispering (咠) into her ear ever since. In a gentle voice it has been whispering how the best hobby is to build a collection (辑) of the finest motor oils, and so Joan of Arc did just inside the space station's entrance (Ø2).

学 = 小 + 冖 + 子 : Xu Xian wants to study scienceology and learn more about daisies. Just inside the elevator's kitchen, he put some daisies into a prize cup and covered them with a cooking top. He wants to study the growth rate of the daisies depending on the pH of the water in the prize cup.