There are three blocks, A, B and C. Block A has one medium yellow square. Then, we have block B which has a medium yellow triangle. A medium blue triangle is also in this block. The medium blue triangle is below and to the left of the medium yellow triangle. Finally, above block B we have block C. It is above block A. It has one small blue triangle, one big black square and one medium yellow circle. Above the medium yellow circle is the small blue triangle. This shape is near to the big black square. The big black square is above the medium yellow circle.
Which object is below a medium yellow object? the big black square or the medium yellow triangle?
the big black square  the medium yellow triangle  both of them none of them