There are three blocks, A, B and C. There is a medium blue square in block A. A medium yellow square is also touching the bottom edge of this block. Below the medium blue square is the medium yellow square. Then, there is block B. It has one medium blue square. It also has a medium black square. Below the medium blue square is the medium black square. Block C is above block A and to the right of block B. It contains one medium blue square.
Which object is below a medium blue square? the medium blue square which is in block A or the medium blue square that is in block B?
the medium blue square  which is in block A the medium blue square  that is in block B both of them none of them