驶
=
史
+
马
:
Sherlock Holmes (sh) tells the unicorn (马) that it has to take its history (史) examination in the space station (Ø3) immediately. The unicorn is shocked and gallops (驶) away speedily (驶).
入
=
丿
+
㇏
:
Mnemonic symbol: an enter key like on a computer keyboard.
There is a special area in the space station's bathroom (Ø4) which is filled with bananas (丿), but you have to hit an enter key (入) to enter (入). Rachel Rhinoceros (ru) uses a finger (㇏) to press the button and get access to the bananas.