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