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