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