We have two blocks, A and B. One medium black circle and one big yellow triangle are in block A. The medium black circle is above the big yellow triangle. Above block A we have block B. It contains a small blue square, one medium blue square and one big black square. The small blue square is touching the bottom edge of this block. It is to the right of and below the medium blue square which is to the left of the big black square.
What is above the yellow shape? a medium blue square or a big black square?
medium blue square  big black square  both of them none of them