There are three blocks, A, B and C. One big black circle, a medium black circle and one medium black square are in block A. This block also contains a small black triangle. The big black circle is above and to the left of the small black triangle. The medium black circle is below the medium black square. The big black circle is to the right of and near to the black object which is below the medium black square. Block B is to the left of block A. It has one small black triangle, a big yellow triangle and a medium yellow triangle. Above the big yellow triangle and the medium yellow triangle there is the small black triangle. Above block B there is block C with one small blue triangle in it.
Which object is to the left of a square? the medium black circle or the medium yellow triangle?
the medium black circle  the medium yellow triangle  both of them none of them