There are three blocks. We call them A, B and C. Block A is below and C is to the left of B. Block A contains a medium black triangle. Block B contains one medium blue triangle. Near to a medium black triangle is the medium blue triangle. Block C has one small black triangle. A small yellow square is below the small black triangle.
Which object is to the left of a blue object? the medium black triangle that is in block B or the medium black triangle that is in block A?
the medium black triangle  that is in block B the medium black triangle  that is in block A both of them none of them