We have two blocks. We call them A and B. Block A is above B. Block A has one big blue triangle, a big black square and a medium black circle. To the left of and below a medium yellow circle there is the big black square. The big blue triangle is to the right of, above and near to the big object which is to the left of the medium yellow circle. Block B contains one medium black square.
What is above the medium black square? a big black square or a yellow circle?
big black square  yellow circle  both of them none of them