There are three blocks. We call them A, B and C. Block B is to the right of C. Block A is to the left of B. Block A has one medium blue square. Block B contains a medium yellow square. Block C has two medium blue squares. There is also one medium black square touching the bottom edge of this block. Medium blue square number one is below medium blue square number two. The medium black square is below medium blue square number one and medium blue square number two.
Which object is to the left of a yellow object? medium blue square number one or the medium blue square that is in block A?
medium blue square  number one the medium blue square  that is in block A both of them none of them