We have two blocks, A and B. One medium blue square and a medium yellow square are in block A. Below the medium yellow square there is the medium blue square. Block B is above block A. It has two medium yellow squares. Medium yellow square number one is touching the bottom edge of this block. Medium yellow square number two is below a medium blue square. A medium black square is below the medium blue square. It is below medium yellow square number two. Below the medium blue square is medium yellow square number one. This shape is below the medium black square.
What is above the black thing? a medium blue square that is in block B or a medium blue square that is in block A?
medium blue square  that is in block B medium blue square  that is in block A both of them none of them