We have three blocks. Lets call them A, B and C. One medium black square and a medium blue square are in block A. The medium black square is below the medium blue square. Below the medium blue square is a medium yellow square. Below the yellow shape which is below the medium blue square is the medium black square. Block B is above block A. It has a medium black square. Below block B there is block C which has one medium black square.
Which object is below a medium black square? the blue shape or the medium yellow square?
the blue shape the medium yellow square  both of them none of them