We have three blocks. Lets call them A, B and C. Block B is below C and block C is above A. Block A has one medium blue square, one small black triangle and a big blue square. This block also contains a big blue circle. It is to the left of and near to the small black triangle. It is below the big blue square. The medium blue square is to the left of the big blue circle and the big blue square. Block B contains one small yellow circle. Block C has one medium blue triangle.
Which object is to the left of a black thing? the medium blue triangle or the big blue circle?
the medium blue triangle  the big blue circle  both of them none of them