We have two blocks. Lets call them A and B. Block A contains two medium black squares. Medium black square number one is below medium black square number two and a medium blue square. Below medium black square number two there is the medium blue square. Block B is to the left of block A. It contains a medium blue square. Below the medium blue square there is a medium yellow square.
Which object is to the left of a medium black 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