There are three blocks. We call them A, B and C. Block C is to the left of A and block A is below B. Block A has two medium blue squares. Below a medium yellow square there is medium blue square number one. It is below medium blue square number two. This block also has one medium black square. The medium black square is below the medium yellow square and medium blue square number two. Below medium blue square number two there is the medium yellow square. Block B contains one medium blue square. Block C has a medium black square.
Which object is below a medium blue square? the medium yellow square or the thing which is touching the bottom edge of a block?
the medium yellow square  the thing which is touching the bottom edge of a block  both of them none of them