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