We have three blocks, A, B and C. Block A contains a medium black square. Block B is below block A. It has one medium yellow square. Above block B there is block C with two medium blue squares in it. A medium black square is touching the bottom edge of this block. It also has a medium yellow square. This object is below medium blue square number one and medium blue square number two. Below medium blue square number two , medium blue square number one and the medium yellow square there is the medium black square.
Which object is above a medium yellow square? medium blue square number one or medium blue square number two?
medium blue square  number one medium blue square  number two both of them none of them