There are three blocks, A, B and C. Block A contains one medium black circle. Above block A there is block B with a small blue triangle in it. Finally, there is block C. It is above block A. It has one big blue square. Below and to the right of a big blue triangle there is the big blue square. Near to and to the right of the big blue triangle is a small yellow triangle.
Which object is above a black circle? the small blue triangle or the big blue triangle?
the small blue triangle  the big blue triangle  both of them none of them