We have three blocks, A, B and C. Block A contains a small yellow square, one big black circle and a small black square. To the right of a small yellow circle there is the small yellow square. It is above the small black square. The big black circle is touching the right edge of this block. The small black square is touching the left edge of this block.. The big black circle is to the right of the small yellow circle and the small black square. To the right of block A there is block B which contains a medium black square, one medium yellow square and a big blue circle. The medium black square is above the medium yellow square and the big blue circle. The medium yellow square is to the left of the big blue circle. Finally, there is block C. It is to the left of block B. It contains two big yellow squares. To the left of a medium black square which is above a medium black triangle there is a medium yellow circle.. Big yellow square number one is touching the bottom edge of this block. Big yellow square number two is touching the right edge of this block. To the left of the medium black square and big yellow square number two there is big yellow square number one..
Which object is to the left of a big circle? the medium black square that is in block B or the medium black square that is in block C?
the medium black square  that is in block B the medium black square  that is in block C both of them none of them