There are three blocks. Lets call them A, B and C. Block A is below block C and to the left of block B. Block A has a big black triangle, one small yellow circle and one medium yellow square. The medium yellow square is touching the bottom edge of this block. This block also has a medium blue circle. It is touching the bottom edge of this block. The medium yellow square is to the right of the medium blue circle. Above the square which is to the right of the medium blue circle there is the big black triangle. Near to the medium blue circle there is the small yellow circle. It is above the medium yellow square.. The big black triangle is above the medium blue circle. Block B has a small blue square. Block C has a small blue square.
Which object is to the left of a small blue square? the big black triangle or the medium yellow square?
the big black triangle  the medium yellow square  both of them none of them