We have three blocks. We call them A, B and C. Block A has one medium black triangle. Far from and to the right of a small blue square is the medium black triangle. Block B is above block A. It has a medium yellow circle. Finally, there is block C. It is to the left of block B. It contains one big blue triangle, a small yellow circle and a big black square. Below the big black square there is the small yellow circle. This object is touching the right edge of this block. The big blue triangle is touching the right edge of this block. The big black square is touching the right edge of this block. Below the big black square and the small yellow circle is the big blue triangle.
Which object is to the left of a medium yellow circle? the big black square or the small blue square?
the big black square  the small blue square  both of them none of them