In a certain code language, da ws bv means 'lunch

Solution

Statement I: da ws bv means 'lunch evening breakfast' Statement II: ws xc sw means 'evening dinner afternoon' Statement III: hj da xc means 'breakfast dinner morning' From statement I and II, we conclude that 'evening' is coded as 'ws' From statement I and III, we conclude that 'breakfast' is coded as 'da' From statement II and III, we conclude that 'dinner' is coded as 'xc' From statement I alone, we conclude that 'lunch' is coded as 'bv' From statement II alone, we conclude that 'afternoon' is coded as 'sw' From statement III alone, we conclude that 'morning' is coded as 'hj' So, 'morning' is coded as 'hj'.