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