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