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