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