There are two blocks, A and B. Block A is above B. Block A has two medium yellow squares. It also contains one medium black square. Below a medium blue square and medium yellow square number two there is the medium black square. Below medium yellow square number two and the medium blue square there is medium yellow square number one. Below the medium blue square is medium yellow square number two. Block B has a medium blue square.
Which object is above a medium blue square? medium yellow square number two or medium yellow square number one?
medium yellow square  number two medium yellow square  number one both of them none of them