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