We have three blocks. Lets call them A, B and C. Block A contains a small black circle, a big yellow triangle and a medium black triangle. The small black circle is touching the right edge of this block. The big yellow triangle is touching the right edge of this block. To the right of and below a small yellow circle is the medium black triangle. It is touching the right edge of this block. Above the medium black triangle is the big yellow triangle. The small black circle is above the small yellow circle and the medium black triangle. To the right of block A is block B which contains a big black circle. Finally, there is block C which is above block B. It contains a medium blue circle.
What is to the left of the big black circle? a medium blue circle or a big yellow triangle?
medium blue circle  big yellow triangle  both of them none of them