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