There are two blocks. We call them A and B. Block A is to the right of B. Block A has two medium black squares. Below a medium blue square and medium black square number two is medium black square number one. Medium black square number two is below the medium blue square. A medium yellow square is below the medium black square number one. This object is below the medium blue square. Block B contains one medium black square.
What is above the yellow thing? a medium black square number two or a medium black square that is in block B?
medium black square  number two medium black square  that is in block B both of them none of them