We have three blocks, A, B and C. Block A has a medium blue triangle and one small black square. A medium yellow circle is to the left of, near to and above the medium blue triangle which is near to and above the small black square. To the right of block A we have block B. It has a big black triangle. To the right of the big black triangle there is a small blue square. Finally, there is block C above block B. It contains a medium yellow triangle.
Which object is above a small black square? the small blue square or the medium blue triangle?
the small blue square  the medium blue triangle  both of them none of them