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