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