There are two blocks. We call them A and B. Block A is to the left of B. Block A has two medium blue squares. It also has a medium yellow square. It is below medium blue square number two. Medium blue square number one is touching the bottom edge of this block. This shape is below the medium yellow square and medium blue square number two. Block B has one medium black square and one medium blue square. Below the medium blue square is the medium black square.
Which object is to the left of a medium blue square? the black shape or the medium yellow square?
the black shape the medium yellow square  both of them none of them