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