We have three blocks, A, B and C. Block C is above A. Block B is below C. Block A has two small black triangles. To the left of and below small black triangle number two is small black triangle number one. Block B contains one small black circle and a medium blue square. Above the medium blue square there is the small black circle. There is also one small blue square touching the right edge of this block. This object is to the right of the medium blue square. To the left of and far from the small blue square is the small black circle. And block C contains a small blue square and a big blue square. The small blue square is touching the bottom edge of this block. It also has a small yellow square. This object is to the right of the big blue square. To the left of the yellow object which is to the right of the big blue square is the small blue square. It is below and to the right of the big blue square.
What is below the object that is touching the bottom edge of a block? a small black triangle or a medium blue square?
small black triangle  medium blue square  both of them none of them