We have two blocks, A and B. There are two medium blue triangles in block A. One medium black triangle is also in this block. To the left of and near to the medium black triangle there is a big blue square. Medium blue triangle number one is to the left of and above medium blue triangle number two which is below and near to the medium black triangle. Block B is to the right of block A. It has one medium yellow circle.
What is to the left of the medium circle? a medium blue triangle or a black thing?
medium blue triangle  black thing both of them none of them