We have two blocks, A and B. One small blue triangle and one big black triangle are in block A. Far from a big yellow square there is a big yellow triangle. The big yellow square is touching the top edge of this block. It is to the right of and above the big black triangle. It is near to the small blue triangle. The big yellow triangle is touching and below the small blue triangle. Block B is to the right of block A. It contains one medium black triangle.
Which object is to the left of a black triangle? the small blue triangle or the big yellow triangle?
the small blue triangle  the big yellow triangle  both of them none of them