We have three blocks, A, B and C. Block B is to the left of C and block A is to the right of B. Block A has a small black square and one small blue square. The small black square is to the left of the small blue square. Block B contains one small blue square and a small yellow circle. Above and to the left of the small yellow circle is the small blue square. And block C contains a big black triangle, a medium blue square and a small blue square. To the right of, near to and below a big black square is a big blue square. To the left of and below the big blue square there is the big black triangle.
What is to the left of the triangle? a big blue square or a medium blue square?
big blue square  medium blue square  both of them none of them