We have three blocks. We call them A, B and C. Block C is above blocks B and A. Block A has a medium blue circle. Block B contains one medium yellow triangle, a big yellow square and a small blue triangle. To the right of and above the small blue triangle there is the medium yellow triangle. The big yellow square is above and near to the small blue triangle. And block C has a medium blue square and one small black triangle. A medium blue circle is to the right of and below the medium blue square. The medium blue square is above the small black triangle.
Which object is below a medium blue circle? the small blue triangle or the medium yellow triangle?
the small blue triangle  the medium yellow triangle  both of them none of them