There are three blocks. Lets call them A, B and C. Block A has one medium black square. The medium black square is touching the bottom edge of this block. This block also has a medium yellow square.. Below the medium yellow square there is the medium black square. Block B is to the left of block A. It has a medium black square. Below block B there is block C with a medium black square and a medium blue square in it. The medium black square is touching the bottom edge of this block. It is below the medium blue square.
Which object is below a medium black square? the blue object or the medium yellow square?
the blue object the medium yellow square  both of them none of them