There are three blocks, A, B and C. Block A is below and B is to the right of C. Block A contains a big black circle and a big blue square. Above the big blue square and a small yellow triangle is the big black circle. The big blue square is to the right of the small yellow triangle. Block B contains a big black triangle. Block C has two big yellow triangles. Big yellow triangle number one is above big yellow triangle number two.
Which object is below a big yellow triangle? the big black triangle or the small yellow triangle?
the big black triangle  the small yellow triangle  both of them none of them