We have three blocks. We call them A, B and C. There is one big black triangle in block A. Block B is below block A. It has one small yellow square. Finally, we have block C which is above block B. It contains one big blue triangle, a small blue triangle and a small yellow square. The big blue triangle is above the small yellow square and a medium blue square. The medium blue square is touching the bottom edge of this block. To the left of and above the small yellow square is the small blue triangle.
Which object is above a small yellow square? the black shape or the small blue triangle?
the black shape the small blue triangle  both of them none of them