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