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