There are three blocks. We call them A, B and C. Block A is to the left of B. Block B is below C. Block A has one medium black circle and one small blue circle. The medium black circle is above the small blue circle. Block B has a small yellow triangle and a big blue triangle. To the left of the big blue triangle is the small yellow triangle. And block C has a medium yellow triangle and one small blue circle. The medium yellow triangle is below a big yellow triangle and the small blue circle.
Which object is to the right of a small blue circle? the medium black circle or the big yellow triangle?
the medium black circle  the big yellow triangle  both of them none of them