There are three blocks, A, B and C. Block A contains one medium black triangle. Then, there is block B with one medium blue circle and one small blue square in it. To the left of the small blue square is the medium blue circle. Finally, to the left of block A we have block C. It is to the right of block B. It contains one small yellow circle and one small yellow triangle. The small yellow circle is below the small yellow triangle.
Which object is to the left of a medium triangle? the small blue square or the small yellow triangle?
the small blue square  the small yellow triangle  both of them none of them