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