There are three blocks, A, B and C. Block A is to the left of C. Block C is to the right of B. Block A contains a big black circle. Block B contains one medium yellow circle. Block C has a medium black square. A small yellow circle is also in this block. This block also has one small blue circle. The small yellow circle is below the small blue circle and the medium black square.
Which object is to the right of a medium yellow circle? the medium square or the small yellow circle?
the medium square  the small yellow circle  both of them none of them