There are two blocks, A and B. One big black circle, one small black triangle and one medium blue square are in block A. The big black circle is far from, to the right of and above the medium blue square which is to the left of a small yellow triangle. This object is to the right of the small black triangle. To the right of block A is block B which has one medium blue square, a medium blue circle and one big black square. A big yellow triangle is to the left of the medium blue circle and the big black square. The medium blue square is touching the bottom edge of this block. It is below the medium blue circle. It is below the big black square.
Which object is to the left of a medium blue square? the small yellow triangle or the big black circle?
the small yellow triangle  the big black circle  both of them none of them