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