There are three blocks. We call them A, B and C. Block A is to the left of B and block B is above C. Block A contains a small black square. Block B contains one small blue circle. Block C contains a big blue square and one big yellow square. Above a small black triangle there is the big blue square. It is to the right of the big yellow square.. The small black triangle is below the big yellow square.
Which object is below a big square? the small black triangle or the small blue circle?
the small black triangle  the small blue circle  both of them none of them