核實

核 = 亥 + 木 : Hamlet (h) is unpacking the presents he found under the Christmas tree (木) in the elevator's kitchen (e2). He found lots of walnuts (核), but he doesn't know whether there are kernels or stones (核) inside. Fortunately he also unpacked a boar (亥) which sniffs at the walnuts and, after the careful examination (核), tells Hamlet what's inside.

核 = 亥 + 木 : Hamlet (h) is unpacking the presents he found under the Christmas tree (木) in the elevator's kitchen (e2). He found lots of walnuts (核), but he doesn't know whether there are kernels or stones (核) inside. Fortunately he also unpacked a boar (亥) which sniffs at the walnuts and, after the careful examination (核), tells Hamlet what's inside.

实 = 头 + 宀 : Sherlock Holmes welcomes professor Skull just inside the entrance of the space station. Professor Skull has not a complete head but only a skull, and a solid understanding of solid state physics. She really is an honest person and still wears her graduation cap.