There are three blocks, A, B and C. Block A has a big blue circle. This block also has a medium yellow circle. The big blue circle is below and to the left of the medium yellow circle. Then, we have block B which has one medium yellow circle and one small yellow triangle. Below the small yellow triangle is the medium yellow circle. Finally, above block B we have block C which is to the right of block A. It contains a big blue triangle and a medium black triangle. The big blue triangle is below, to the left of and far from the medium black triangle.
Which object is to the right of a medium yellow circle? the medium black triangle or the big blue circle?
the medium black triangle  the big blue circle  both of them none of them