There are three blocks, A, B and C. Block C is below A. Block A is below B. Block A has one medium black square. Block B has one big black triangle and one medium yellow circle. A medium black square is above the medium yellow circle. The big black triangle is above and near to the medium yellow circle. And block C has a small blue square and one big blue square. Near to, to the left of and above the big blue square there is the small blue square.
What is below the big black shape? a medium black square that is in block B or a medium black square that is in block A?
medium black square  that is in block B medium black square  that is in block A both of them none of them