There are three blocks, A, B and C. Block A has one big yellow circle and one big blue triangle. The big yellow circle is near to and to the left of the big blue triangle.. To the left of the big shape which is near to the big blue triangle there is a medium black circle. The big yellow circle is touching the bottom edge of this block. Then, we have block B. It has one medium black square. Block C is below block A and to the left of block B. It has a big blue circle and one big blue square. A medium blue circle is touching the right edge of this block. It is below the big blue square. The big blue circle is touching the right edge of this block. It is below the medium shape which is below the big blue square. This object is below the big blue square.
What is to the left of the medium black square? a big blue square or a triangle?
big blue square  triangle  both of them none of them