There are three blocks, A, B and C. Block A has a small blue triangle. Block B is to the left of block A. It contains a big black square, one big blue circle and a big yellow square. The big black square is to the left of the big yellow square. The big blue circle is touching the right edge of this block. Above, near to and far from the big blue circle is the big black square. The big yellow square is touching the right edge of this block. Finally, we have block C to the left of block A. It contains one small yellow triangle and one big yellow triangle. The small yellow triangle is above the big yellow triangle.
Which object is to the left of a small blue triangle? the big blue circle that is touching the right edge of a block or the small yellow triangle?
the big blue circle  that is touching the right edge of  a block  the small yellow triangle  both of them none of them