We have three blocks, A, B and C. Blocks A and B are to the left of C. Block A has one medium black triangle and a medium yellow circle. The medium black triangle is above and to the right of the medium yellow circle. Block B has one medium black circle. Block C contains two big blue triangles. This block also contains a big blue square. Big blue triangle number one is touching the bottom edge of this block. Big blue triangle number two is touching the right edge of this block. It is above, near to, to the right of and touching the big blue square.
Which object is to the left of a big blue triangle? the medium black triangle or the medium yellow circle?
the medium black triangle  the medium yellow circle  both of them none of them