There are three blocks. Lets call them A, B and C. Block B is above C. Block C is below A. Block A contains a medium black triangle. Block B contains a medium blue square and one big black triangle. Above and far from the big black triangle is the medium blue square. The big black triangle is touching the bottom edge of this block. And block C has one big black square. To the left of, above and near to a small yellow triangle there is the big black square.
What is above the big black square? a small yellow triangle or a medium black triangle?
small yellow triangle  medium black triangle  both of them none of them