There are three blocks, A, B and C. Block A is to the right of blocks B and C. Block A contains a big blue square. Block B contains a medium black square, a small black triangle and a small black circle. To the right of the small black triangle and the small black circle there is the medium black square. Block C contains one small yellow circle. To the right of a big yellow triangle is the small yellow circle.
Which object is to the left of a blue object? the small black circle or the medium square?
the small black circle  the medium square  both of them none of them