There are three blocks, A, B and C. Block B is to the left of block A and it is to the right of block C. Block A has one small black circle and a medium blue square. The small black circle is above and to the left of the medium blue square. Block B has one small yellow circle. And block C has a small yellow square and one small black triangle. To the left of the small black triangle there is the small yellow square.
Which object is to the left of a small yellow circle? the small black triangle or the medium blue square?
the small black triangle  the medium blue square  both of them none of them