There are three blocks. Lets call them A, B and C. There is one medium blue circle in block A. This block also has a medium blue square. The medium blue circle is near to and touching the medium blue square. Below block A is block B which has a small blue triangle. Finally, there is block C above block B. It contains a small yellow triangle and a big black triangle. This block also has a medium black circle. It is to the left of the big black triangle. The small yellow triangle is touching the right edge of this block. It is above the medium black circle. It is above the big black triangle.
Which object is above a small blue triangle? the big black triangle or the medium blue circle?
the big black triangle  the medium blue circle  both of them none of them