We have two blocks, A and B. Block A is to the right of B. Block A contains one big yellow triangle. Block B has a big black circle, a medium black circle and a medium yellow circle. This block also has one small yellow triangle. This block also has a medium yellow square. It is to the right of the small yellow triangle. The big black circle is to the left of the medium object which is to the right of the small yellow triangle. It is below the medium yellow circle. To the right of and below the small yellow triangle is the medium black circle.
Which object is to the left of a big yellow triangle? the big black circle or the medium black circle?
the big black circle  the medium black circle  both of them none of them