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