There are three blocks, A, B and C. Block A has a big yellow triangle and one small yellow square. The big yellow triangle is below the small yellow square. To the left of block A is block B which has one big yellow circle, one medium yellow triangle and a medium blue circle. Near to, to the right of and above the medium blue circle there is the medium yellow triangle. To the right of block B there is block C. It has a big yellow circle, one medium black circle and one small yellow square. The big yellow circle is below the small yellow square. It is near to and above the medium black circle. The medium black circle is below the small yellow square.
What is to the left of the big yellow triangle? a medium blue thing or a small yellow square?
medium blue thing small yellow square  both of them none of them