We have three blocks. Lets call them A, B and C. Block B is below blocks A and C. Block A contains one small yellow circle and a big yellow square. The small yellow circle is below the big yellow square. Block B contains a medium yellow triangle and one small yellow square. Below and to the left of the small yellow square there is the medium yellow triangle. Block C contains one big yellow square.
What is above the yellow triangle? a big yellow square or a small yellow square?
big yellow square  small yellow square  both of them none of them