There are three blocks, A, B and C. There are one medium black square and one medium blue square in block A. It also has one medium yellow square. Below the medium yellow square there is the medium blue square. The medium black square is below the medium yellow square. This object is touching the bottom edge of this block. It is below the medium blue square. Then, there is block B which has a medium blue square and a medium black square. Below the medium black square there is the medium blue square. Block C is below both blocks A and B. It has a medium black square.
Which object is above a medium black square? the medium black square that is touching the bottom edge of a block or the medium black square that is in block B?
the medium black square  that is touching the bottom edge of a block  the medium black square  that is in block B both of them none of them