There are three blocks. Lets call them A, B and C. A medium blue square is in block A. Then, we have block B which contains a medium yellow square, a medium black square and one medium blue square. The medium yellow square is touching the bottom edge of this block. This shape is below the medium blue square and the medium black square. The medium black square is below the medium blue square. Block C is above both blocks A and B. It contains two medium blue squares. Below medium blue square number two is medium blue square number one. A medium yellow square is touching the bottom edge of this block. This shape is below medium blue square number two and medium blue square number one.
Which object is below a medium blue square? the medium blue square that is in block A or the medium blue square that is in block B?
the medium blue square  that is in block A the medium blue square  that is in block B both of them none of them