There are three blocks. Lets call them A, B and C. Block C is above block A and below block B. Block A has two small black squares. Small black square number one is to the right of, above and near to a medium blue square. Small black square number two is touching the bottom edge of this block. A big blue triangle is touching the right edge of this block. Small black square number two is below the medium blue square.. Near to small black square number one there is the big blue triangle. Block B contains one medium black circle. Block C contains a medium blue triangle. It also contains one big blue triangle. The big blue triangle is above a medium yellow square which is below the medium blue triangle. The medium yellow square is touching the bottom edge of this block. Below the medium blue triangle there is the big blue triangle.
Which object is above a big blue triangle? the medium blue square or the black circle?
the medium blue square  the black circle  both of them none of them