There are two blocks, A and B. Block A is to the left of B. Block A contains three medium black squares. Medium black square number one is touching the bottom edge of this block. Medium black square number two is below medium black square number three. Below medium black square number two there is medium black square number one. It is below medium black square number three. Block B has one medium blue square and one medium yellow square. The medium blue square is touching the bottom edge of this block. It is below the medium yellow square.
What is to the left of the yellow shape? a medium black square or a medium blue square that is touching the bottom edge of a block?
medium black square  medium blue square  that is touching the bottom edge of a block  both of them none of them