There are three blocks, A, B and C. There is a medium yellow square in block A. It also contains a small yellow circle. Near to the medium yellow square is the small yellow circle. Then, there is block B which has a medium black triangle. There is also one big blue triangle touching the bottom edge of this block. Below the medium black triangle there is the big blue triangle. Block C is to the left of block A and above block B. It has a medium yellow square and a small yellow square. The medium yellow square is touching the right edge of this block. It is to the right of and above the small yellow square.
What is to the right of the small yellow square? a black triangle or a medium yellow square?
black triangle  medium yellow square  both of them none of them