There are three blocks. Lets call them A, B and C. There is one small blue square in block A. There are also a medium black circle and a medium black square touching the right edge of this block. A small yellow square is also in this block. It is near to and above the medium black square. The small blue square is to the left of the medium black square. To the right of and below the small object which is to the left of the medium black square there is the medium black circle. Block B is above block A. It contains one big black square and a medium blue square. The big black square is touching the bottom edge of this block. The medium blue square is touching the right edge of this block. There is also a big black triangle touching the right edge of this block. The medium blue square is above the big black triangle. The big black square is to the left of and below the medium blue square. Finally, there is block C below block B. It has one small blue circle.
What is below the medium blue square? a small yellow square or a big black square that is touching the bottom edge of a block?
small yellow square  big black square  that is touching the bottom edge of a block  both of them none of them