We have three blocks, A, B and C. There is a medium yellow square in block A. Block B is to the left of block A. It has a medium black square. It also has a medium blue square. The medium black square is touching the bottom edge of this block. The medium blue square is below a medium yellow square. The medium black square is below the medium blue square and the medium yellow square. To the right of block A there is block C. It contains a medium black square.
Which object is above a object that is touching the bottom edge of a block? the medium yellow square that is in block A or the medium yellow square that is in block B?
the medium yellow square  that is in block A the medium yellow square  that is in block B both of them none of them