to sit astride / to ride (a horse, bike etc) / classifier for saddle horses
骑
=
奇
+
马
:
The Queen of Hearts (qi) is pursuing her favourite hobby just inside the space station's entrance (Ø2): she is riding (骑) a unicorn (马) drinking a cappuccino (奇).
member of the senior ministerial class (old) / scholar (old) / bachelor / honorific / soldier / noncommissioned officer / specialist worker
士
=
十
+
一
:
Sherlock Holmes (sh) is meeting the bachelor (士) in the bathroom of the space station (Ø4). Sherlock Holmes is playing a flute (一) for him, and the bachelor is wearing a huge cross (十) around his neck.