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