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