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