We have three blocks. Lets call them A, B and C. Block B is to the right of blocks A and C. Block A has one medium black circle and a big black triangle. A big black square is also in this block. It also has one medium yellow circle. The medium black circle is near to the medium yellow circle and the big black square. The big black triangle is near to the medium yellow circle. Block B contains one small yellow triangle. Block C contains a medium black square. A medium black circle is also in this block. Near to the medium black square there is the medium black circle.
Which object is to the left of a yellow triangle? the big black square or the medium yellow circle?
the big black square  the medium yellow circle  both of them none of them