There are three blocks. We call them A, B and C. Block B is to the left of and A is above C. Block A contains a small blue triangle and one big blue square. It also contains a small black circle. It is to the left of the big blue square. Below and to the right of the circle which is to the left of the big blue square is the small blue triangle. Block B has three medium black squares. Medium black square number one is to the left of medium black square number three and a small black triangle. Below medium black square number two and the small black triangle is a big blue square. This shape is touching the bottom edge of this block. This block also has a medium blue square. The small black triangle is touching the right edge of this block. And block C has a small blue circle.
What is to the left of the small blue circle? a small blue triangle or a medium black square?
small blue triangle  medium black square  both of them none of them