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