We have three blocks. We call them A, B and C. Block A is to the left of B. Block B is to the left of C. Block A contains one big yellow circle, one medium blue triangle and a medium blue circle. The big yellow circle is to the left of a small blue triangle and the medium blue circle. The small blue triangle is touching the bottom edge of this block. It is to the right of the medium blue circle. The big yellow circle is to the right of the medium blue triangle. Block B contains a small yellow circle and one big blue circle. The small yellow circle is touching the left edge of this block. This shape is far from and to the left of the big blue circle. And block C has one big black circle and a small black circle. Near to the small black circle is the big black circle. The small black circle is touching the bottom edge of this block.
Which object is to the left of a big black circle? the medium blue triangle or the big blue circle?
the medium blue triangle  the big blue circle  both of them none of them