We have two blocks. Lets call them A and B. Two medium blue squares are in block A. Below medium blue square number two is a medium black square. Medium blue square number one is below medium blue square number two. Below the medium black square , medium blue square number one and medium blue square number two is a medium yellow square. Block B is to the right of block A. It has a medium blue square. A medium black square is also in this block. Below the medium black square there is the medium blue square.
Which object is to the left of a medium black square? the medium blue square that is in block B or medium blue square number one?
the medium blue square  that is in block B medium blue square  number one both of them none of them