We have three blocks, A, B and C. Block C is to the left of B. Block A is to the left of C. Block A has a medium black triangle. Block B contains a small yellow circle. Block C has one small yellow circle and a medium blue circle. To the left of the medium blue circle and a medium black circle there is the small yellow circle. The medium black circle is touching the bottom edge of this block.
What is to the left of the thing that is touching the bottom edge of a block? a black triangle or a blue shape?
black triangle  blue shape both of them none of them