We have three blocks. We call them A, B and C. Block A is above B. Block C is to the right of A. Block A contains a big black square. Block B has two medium yellow squares. Below, near to and to the right of medium yellow square number two is medium yellow square number one. There is also one big blue triangle touching the right edge of this block. It is below medium yellow square number two. It is to the right of and far from a medium black circle. This block also has a small yellow circle. Block C contains a medium black square and a medium blue triangle. To the right of the medium blue triangle is the medium black square.
What is below the big black square? a medium yellow square or a medium blue triangle?
medium yellow square  medium blue triangle  both of them none of them