There are three blocks. We call them A, B and C. Block B is below C and block C is to the right of A. Block A has one big blue square. Block B contains a small yellow triangle. Block C has a small black square and one big black square. This block also has one medium black triangle. The medium black triangle is to the right of the small black square and the big black square. The big black square is touching the bottom edge of this block.
What is to the right of the blue shape? a yellow triangle or a small black square?
yellow triangle  small black square  both of them none of them