We have three blocks. We call them A, B and C. Block B is to the right of C. Block C is to the left of A. Block A contains a big yellow square. Block B has a big black triangle. Above a small blue square which is near to a small black square is a medium blue triangle. The big black triangle is touching the bottom edge of this block. This object is to the left of the medium blue triangle and the small blue square. Block C has a medium black square.
Which object is to the right of a medium black square? the small black square or the medium blue triangle?
the small black square  the medium blue triangle  both of them none of them