There are three blocks. We call them A, B and C. Block B is above and C is to the left of A. Block A has a medium black square. Block B contains two medium blue squares. It also has one medium black square. Below medium blue square number two there is medium blue square number one. Below medium blue square number two and medium blue square number one is the medium black square. Block C has two medium blue squares. Medium blue square number one is below a medium black square which is below medium blue square number two. It is touching the bottom edge of this block. It is below medium blue square number two.
Which object is to the left of a medium black square? the medium black square that is in block C or the medium black square that is touching the bottom edge of a block?
the medium black square  that is in block C the medium black square  that is touching the bottom edge of a block  both of them none of them