There are three blocks, A, B and C. A big yellow square and one medium yellow square are in block A. The medium yellow square is touching the top edge of this block. To the left of and below the medium yellow square is the big yellow square. To the right of block A there is block B with a big yellow circle and one big black square in it. The big yellow circle is above, to the left of and near to the big black square. Above block B there is block C. It contains a small black triangle.
Which object is to the left of a circle? the big black square or the small thing?
the big black square  the small thing both of them none of them