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