There are three blocks. We call them A, B and C. Block C is above A. Block A is to the right of B. Block A has a medium blue square and one medium black square.. The medium blue square is touching the bottom edge of this block. This object is below the medium black square. Block B has one medium blue square. This block also has a medium black square. The medium blue square is below the medium black square. And block C contains one medium black square.
Which object is to the left of a medium blue square? the medium black square that is in block A or the medium black square that is in block C?
the medium black square  that is in block A the medium black square  that is in block C both of them none of them