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