We have three blocks. We call them A, B and C. Block B is to the right of block C and above block A. Block A has a medium black square. This block also has a medium yellow square. Below the medium yellow square is the medium black square. Block B has a medium black square. Block C has one medium black square. Below the medium black square is a medium blue square.
Which object is to the left of a medium black square? the medium black square which is in block A or the medium black square that is in block C?
the medium black square  which is in block A the medium black square  that is in block C both of them none of them