There are two blocks, A and B. Block A is to the left of B. Block A contains one small yellow circle and one big black triangle. There is also one medium yellow triangle in this block. Near to and to the right of the big black triangle there is the medium yellow triangle. This object is below the small yellow circle. Block B contains a medium yellow circle and a medium black circle. The medium yellow circle is below and to the left of a small black triangle. To the left of the small black triangle there is the medium black circle.
What is to the left of the small black triangle? a medium yellow circle or a big black triangle?
medium yellow circle  big black triangle  both of them none of them