There are three blocks, A, B and C. Block A contains two medium blue squares. There is also one medium black square touching the bottom edge of this block. Below medium blue square number two there is medium blue square number one. The medium black square is below medium blue square number one and medium blue square number two. Below block A is block B with one medium yellow square in it. To the left of block A there is block C which has one medium yellow 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