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