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