We have three blocks, A, B and C. Block A is below block B and to the left of block C. Block A has one medium black square, a medium yellow square and one medium blue square. The medium yellow square is below the medium blue square. The medium black square is touching the bottom edge of this block. It is below the medium blue square and the medium yellow square. Block B has one medium black square. And block C contains one medium black square.
Which object is to the left of a medium black square? the medium black square that is touching the bottom edge of a block or the medium yellow square?
the medium black square  that is touching the bottom edge of a block  the medium yellow square  both of them none of them