We have three blocks. We call them A, B and C. Block B is to the right of C and block A is below B. Block A contains one medium blue triangle and a big black triangle. The medium blue triangle is far from and to the right of the big black triangle. Block B has a medium blue circle and one small yellow square. Below and to the right of the small yellow square is the medium blue circle. Block C has one medium blue square, one small blue triangle and one small yellow square. The medium blue square is touching the bottom edge of this block. This object is below the small blue triangle and the small yellow square. To the left of the small yellow square is the small blue triangle.
What is above the big object? a medium blue triangle or a small yellow square?
medium blue triangle  small yellow square  both of them none of them