We have three blocks, A, B and C. Block A is to the right of C and block C is above B. Block A has a big yellow circle. Above the big yellow circle there is a medium black triangle. Block B contains one big black circle and a small blue circle. Below a medium black circle there is the big black circle. The small blue circle is below the medium black circle. The big black circle is touching the right edge of this block. It is to the right of the blue object which is below the medium black circle. Block C has a medium black circle, a big yellow circle and one medium blue square. Above the medium blue square and the big yellow circle is the medium black circle.
Which object is above a big black circle? the medium black triangle or the small blue circle?
the medium black triangle  the small blue circle  both of them none of them