There are three blocks, A, B and C. Block A contains two medium black triangles. Medium black triangle number one is below and far from medium black triangle number two. To the left of block A is block B with a medium blue circle in it. To the left of block A there is block C with one big yellow circle in it. Above, to the left of and far from the big yellow circle is a medium yellow circle.
Which object is to the left of a medium black triangle? the big thing or the medium blue circle?
the big thing the medium blue circle  both of them none of them