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