There are three blocks. We call them A, B and C. Block B is to the right of blocks A and C. Block A has a medium black circle, a medium yellow square and a small yellow circle. There is also one big yellow square touching the bottom edge of this block. The medium black circle is below the small yellow circle. The medium yellow square is to the right of the big yellow square. Far from the big yellow square is the small yellow circle.. To the right of and above the big yellow square is the medium black circle. Block B has one big yellow circle and one big blue triangle. The big yellow circle is near to, to the right of and below the big blue triangle. And block C has a big black circle. To the right of a big yellow circle there is the big black circle.
Which object is to the right of a big yellow circle? the medium yellow square or the big black circle?
the medium yellow square  the big black circle  both of them none of them