We have three blocks. We call them A, B and C. One big yellow square and a medium black square are in block A. The big yellow square is to the left of and below the medium black square. Block B is below block A. It contains one big blue square. Above block B there is block C with one big yellow triangle, a big yellow square and one big blue circle in it. The big yellow square is touching the top edge of this block. It is to the right of the big blue circle. The big yellow triangle is below and to the right of the big yellow square.
Which object is above a big blue square? the blue circle or the big yellow triangle?
the blue circle  the big yellow triangle  both of them none of them