There are three blocks, A, B and C. Block A is above block C and below block B. Block A contains one big black circle. Block B contains a medium black triangle. And block C contains two big yellow squares. This block also contains a small yellow circle. To the left of the small yellow circle is a medium blue triangle. Above the small yellow circle is big yellow square number two. The medium blue triangle is near to and above the square which is above the small yellow circle.. Big yellow square number one is near to the small yellow circle.
What is below the big black circle? a medium black triangle or a small object?
medium black triangle  small object both of them none of them