We have three blocks. We call them A, B and C. Block C is to the right of and B is below A. Block A contains a medium blue square. Block B has a medium blue square. Below a medium yellow square and a medium black square there is the medium blue square. This object is touching the bottom edge of this block. The medium yellow square is below the medium black square. And block C has two medium blue squares. Medium blue square number one is below medium blue square number two.
Which object is below a medium blue square? medium blue square number two or the thing that is touching the bottom edge of a block?
medium blue square  number two the thing that is touching the bottom edge of a block  both of them none of them