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