Mark the letter A, B, C or D on your answer sheet to indicate the word that differs from the other three in the position of primary in each of the following questions

Mark the letter A, B, C or D on your answer  sheet to indicate the word that differs from the other three in the position of primary in each of the following questions.
1. A balanced         B disease         C fitness         D illness
2. A qualify            B volunteer        C conference         D cultural