We have three blocks, A, B and C. Block C is to the left of block A and it is below block B. Block A contains a big black triangle. Block B has a big blue square, a big blue circle and one big yellow square. Above the big blue circle is the big blue square. This block also has a small yellow circle. Touching, near to, to the right of and below the big yellow square is the big blue square. Block C contains a medium black triangle.
Which object is above a medium shape? the big black triangle or the big yellow square?
the big black triangle  the big yellow square  both of them none of them