We have three blocks, A, B and C. Block A has two medium yellow squares. Below medium yellow square number two which is below a medium blue square there is medium yellow square number one. It is below the medium blue square. Block B is above block A. It contains two medium blue squares. Medium blue square number one is below medium blue square number two. Finally, there is block C below block A. It contains a medium black square.
Which object is below a medium blue square? medium yellow square number one or medium yellow square number two?
medium yellow square  number one medium yellow square  number two both of them none of them