There are three blocks. Lets call them A, B and C. Block B is above block A and it is to the right of block C. Block A has a big blue circle and one medium yellow triangle. This block also has a small blue triangle. Below and to the left of the small blue triangle there is the big blue circle. It is to the right of the medium yellow triangle. Block B has one big blue square. Block C contains one big black circle.
Which object is below a big blue thing? the big black object or the small blue triangle?
the big black object the small blue triangle  both of them none of them