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