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