We have three blocks. We call them A, B and C. Block A contains a medium blue square. To the right of block A is block B. It has a medium black square and one medium blue square. Below the medium blue square there is the medium black square. Below block B there is block C with three medium black squares in it. Medium black square number one is touching the bottom edge of this block. Below medium black square number three is medium black square number two. Below the square which is below medium black square number three is medium black square number one. This object is below medium black square number three.
What is above the thing that is touching the bottom edge of a block? a medium black square number three or a medium black square number two?
medium black square  number three medium black square  number two both of them none of them