We have two blocks, A and B. There is a medium blue square in block A. Above block A we have block B which contains two medium black squares. Below medium black square number two and a medium yellow square there is medium black square number one. Medium black square number two is below the medium yellow square. This block also has a medium blue square. Below the medium yellow square and medium black square number one is the medium blue square.
Which object is above a medium blue square? medium black square number two or medium black square number one?
medium black square  number two medium black square  number one both of them none of them