We have three blocks. We call them A, B and C. Block A is below and B is above C. Block A has a big yellow triangle. Block B has two big blue squares. Below a medium blue square and big blue square number two there is big blue square number one. And block C contains a big blue triangle, one small blue triangle and a medium black square. To the right of the medium black square and the small blue triangle there is the big blue triangle. The small blue triangle is to the left of the medium black square.
Which object is below a big blue square? the black square or the big blue triangle?
the black square  the big blue triangle  both of them none of them