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