教材

教 = 孝 + 攵 : Joan of Arc joined an apocalyptic religious sect that taught her to dig her own grave. Wearing a mourning veil, she breaks the floor of the aorta's bathroom open using a sledgehammer.

材 = 才 + 木 : In the airplane's kitchen (ai2) , the King of Chu (c) investigates a Christmas tree (木) with his secret X-ray vision talent (才). He can see that the material (材) the tree is made out of is not timber (材); instead, he sees that the tree has been 3D printed.