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