There are two blocks, A and B. Block A is below B. Block A has a medium blue triangle and a big black circle. There is also a big blue square in this block. The medium blue triangle is below the big blue square and the big black circle. Block B contains a medium blue circle, one medium yellow circle and a big yellow circle. The medium blue circle is near to the big yellow circle. The medium yellow circle is near to and below the big yellow circle. The medium blue circle is above the yellow object which is near to the big yellow circle.
What is above the big blue object? a medium blue triangle or a big yellow circle?
medium blue triangle  big yellow circle  both of them none of them