There are three blocks. We call them A, B and C. Block A contains one small blue square, a medium black circle and a small black square. To the left of and above the small black square there is the medium black circle. The small blue square is to the left of the black object which is to the left of the small black square. Below block A we have block B with one small yellow square in it. Above block A there is block C. It contains a big yellow square.
What is above the small yellow square? a small black square or a small blue square?
small black square  small blue square  both of them none of them