There are three blocks. We call them A, B and C. Block B is below and A is to the left of C. Block A has three small yellow triangles. Small yellow triangle number one is touching the right edge of this block. Small yellow triangle number two is near to and to the right of small yellow triangle number three. A small yellow circle is also in this block. The small yellow circle is to the left of small yellow triangle number two. Small yellow triangle number one is to the right of small yellow triangle number two. The small yellow circle is above small yellow triangle number one. Block B contains a big black square. Block C contains one big blue circle.
What is to the left of the blue object? a big black square or a small yellow triangle that is touching the right edge of a block?
big black square  small yellow triangle  that is touching the right edge of  a block  both of them none of them