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