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