There are three blocks. Lets call them A, B and C. Block A is to the left of and C is to the right of B. Block A has a big black circle. Above the big black circle is a small yellow square. A medium yellow square is above the big black circle. The small yellow square is to the right of the medium yellow square. The big black circle is touching the right edge of this block. Block B has a medium blue square, a medium black triangle and one medium blue triangle. Above the medium black triangle is the medium blue square. It is near to the medium blue triangle. The medium black triangle is touching the bottom edge of this block. It is below the medium blue triangle. And block C contains one small blue circle.
What is to the left of the small blue circle? a medium blue triangle or a medium yellow square?
medium blue triangle  medium yellow square  both of them none of them