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