There are two blocks. We call them A and B. Block A is to the left of B. Block A has two medium black squares. Below medium black square number two and medium black square number one there is a medium blue square. Below medium black square number two is medium black square number one. Block B has a medium black square. This block also has a medium blue square. Below the medium blue square there is the medium black square.
Which object is below a medium black square? the medium black square that is in block B or medium black square number one?
the medium black square  that is in block B medium black square  number one both of them none of them