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