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