We have three blocks. We call them A, B and C. Block A is below C. Block B is below A. Block A has a small yellow square. Block B contains one small black square and a big yellow square. The small black square is near to and below the big yellow square. Block C contains a small black triangle, a medium blue triangle and one big yellow circle. The medium blue triangle is below a big yellow triangle. It is to the right of the big yellow circle which is below and near to the big yellow triangle. To the right of the big yellow triangle there is the small black triangle.
What is below the medium object? a circle or a small yellow square?
circle  small yellow square  both of them none of them