评
=
平
+
讠
:
Pocahontas (pi) saw a pan (平) advertised on an advertising column (讠) in the engine's kitchen ((e)ng2), but she is not satisfied at all, so she leaves her comments (评) on the pan by beating the pan over the advertising column.
议
=
义
+
讠
:
Maud Younger (y) is painting blindfolded onto an advertising column (讠) in the space station's bathroom (Ø4). Justitia comments (议) on her art and indeed voices very just (义) comments (议).