There are three blocks. We call them A, B and C. A big yellow triangle, one medium yellow square and one small blue circle are in block A. Above and to the left of the medium yellow square which is to the right of the small blue circle there is the big yellow triangle. Below block A is block B. It has one big blue square and a small black circle. To the left of, below and near to the small black circle there is the big blue square. Finally, there is block C to the right of block B. It has a small blue triangle and a small black square. The small blue triangle is below the small black square.
Which object is above a small black circle? the small black square or the medium yellow square?
the small black square  the medium yellow square  both of them none of them