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