There are three blocks, A, B and C. Block B is above C. Block C is to the right of A. Block A has one medium blue square. Below the medium blue square there is a medium yellow square. Block B contains one medium yellow square. Block C contains a medium yellow square and one medium blue square. The medium yellow square is below the medium blue square.
Which object is to the left of a medium yellow square? the medium blue square that is in block A or the medium blue square that is in block C?
the medium blue square  that is in block A the medium blue square  that is in block C both of them none of them