There are two blocks. We call them A and B. Block A is to the right of B. Block A has a medium blue square. Block B contains two medium black squares. One medium blue square is also in this block. It is below medium black square number two and medium black square number one. It also contains a medium yellow square. The medium yellow square is below medium black square number two and medium black square number one.. Below medium black square number two is medium black square number one.
Which object is below a medium black square? the medium blue square that is in block A or the medium blue square which is in block B?
the medium blue square  that is in block A the medium blue square  which is in block B both of them none of them