There are three blocks, A, B and C. One medium black circle and one big black square are in block A. To the left of and below the big black square there is the medium black circle. Then, there is block B which has a medium yellow triangle. Finally, above block A we have block C which is above block B. It contains one small blue triangle, one big yellow triangle and one small yellow triangle. The small blue triangle is touching the right edge of this block. Above the small yellow triangle is the big yellow triangle. Above the big yellow triangle is the small blue triangle. It is above the small yellow triangle.
What is above the medium black object? a small blue triangle that is touching the right edge of a block or a big black square?
small blue triangle  that is touching the right edge of  a block  big black square  both of them none of them