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