There are three blocks, A, B and C. Block A contains one big black square. To the left of block A we have block B. It contains a small yellow circle. Above block B there is block C. It has one medium blue triangle and one big black triangle. Above the medium blue triangle and the big black triangle there is a big black circle.
What is above the small shape? a black square or a medium blue triangle?
black square  medium blue triangle  both of them none of them