There are three blocks. We call them A, B and C. Block B is to the right of C. Block C is to the right of A. Block A has a medium black square and a medium blue square. Below the medium blue square there is the medium black square. Block B has two medium blue squares. Below medium blue square number two there is medium blue square number one. And block C has one medium yellow square.
What is to the left of the yellow object? a medium blue square number one or a medium blue square that is in block A?
medium blue square  number one medium blue square  that is in block A both of them none of them