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