We have two blocks, A and B. Block A is to the left of B. Block A has a medium black square. Block B has one medium yellow triangle, one big blue triangle and one big blue square. This block also contains one small yellow circle. The medium yellow triangle is to the left of, near to and above the big blue triangle. To the right of a big black square there is the big blue triangle. The big blue square is touching the right edge of this block. It is above the small yellow circle.
What is to the right of the medium black square? a big blue triangle or a big black square?
big blue triangle  big black square  both of them none of them