There are three blocks, A, B and C. Block C is to the right of A. Block A is above B. Block A has one small black square. Block B has one big blue triangle. It also contains a medium blue square. Below the medium blue square and the big blue triangle there is a small yellow square. Block C has one big black triangle and one medium yellow circle. One medium blue triangle is also touching the bottom edge of this block. One medium blue square is also in this block. The medium blue triangle is to the right of and below the medium yellow circle. The big black triangle is to the left of the triangle which is to the right of the medium yellow circle. The big black triangle is touching the bottom edge of this block. The medium blue square is near to, above and to the left of the big black triangle.
What is below the small black square? a medium blue square or a medium blue triangle that is touching the bottom edge of a block?
medium blue square  medium blue triangle  that is touching the bottom edge of a block  both of them none of them