We have three blocks, A, B and C. Block C is to the right of B. Block B is to the left of A. Block A contains one medium black square. Block B contains a medium blue square, one medium black square and one big blue triangle. Near to the big blue triangle and the medium black square there is the medium blue square. Block C has one medium black triangle.
Which object is to the left of a medium black square? the big shape or the medium black triangle?
the big shape the medium black triangle  both of them none of them