We have three blocks. We call them A, B and C. Block B is to the left of C. Block A is to the left of B. Block A contains one small black triangle. There is also one medium blue square in this block. Near to the small black triangle is the medium blue square. Block B contains a medium blue triangle and one medium yellow square. It also contains one medium black triangle. To the left of the medium yellow square there is the medium black triangle. It is near to the medium blue triangle which is below the medium yellow square. And block C contains a big blue circle.
Which object is to the left of a big shape? the medium blue triangle or the medium black triangle?
the medium blue triangle  the medium black triangle  both of them none of them