There are three blocks, A, B and C. Three medium blue squares are in block A. Medium blue square number one is touching the bottom edge of this block. Medium blue square number two is below a medium black square and medium blue square number three. Medium blue square number one is below the medium black square , medium blue square number three and medium blue square number two. Below block A there is block B. It has one medium black square. Finally, there is block C. It is to the left of block A. It contains a medium blue square.
Which object is below a medium blue square? the medium black square that is in block A or the medium black square that is in block B?
the medium black square  that is in block A the medium black square  that is in block B both of them none of them