There are two blocks. We call them A and B. Block A contains a medium yellow circle. One big blue triangle and one big black circle are also in this block. The medium yellow circle is above the big black circle and the big blue triangle. To the right of block A there is block B. It contains a medium blue triangle. Below and to the left of a big black triangle there is the medium blue triangle.
Which object is above a big blue triangle? the medium yellow circle or the big black circle?
the medium yellow circle  the big black circle  both of them none of them