We have three blocks. We call them A, B and C. There is one medium black square in block A. Then, we have block B with two medium yellow squares and two other medium blue squares in it. Medium yellow square number one is touching the bottom edge of this block. Medium yellow square number two is below medium blue square number two and medium blue square number one. Below medium blue square number two is medium blue square number one. Medium yellow square number one is below medium blue square number one. This object is below medium blue square number two. Finally, we have block C to the left of block B and below block A. It has one medium yellow square and a medium black square. The medium yellow square is below the medium black square.
Which object is to the left of a medium yellow square? the medium black square which is in block C or the medium black square which is in block A?
the medium black square  which is in block C the medium black square  which is in block A both of them none of them