We have three blocks. We call them A, B and C. Two medium blue squares are in block A. Below medium blue square number two there is medium blue square number one. A medium black square is below medium blue square number two. A medium yellow square is below medium blue square number two. The medium black square is touching the bottom edge of this block. It is below the medium yellow square and medium blue square number one. Then, we have block B with a medium blue square in it. Finally, we have block C. It is to the right of block B and block A is above it. It contains two medium blue squares. Medium blue square number one is below medium blue square number two.
Which object is below a medium blue square? the medium yellow square or the medium black square that is touching the bottom edge of a block?
the medium yellow square  the medium black square  that is touching the bottom edge of a block  both of them none of them