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