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A. language)[.o1}.~2B3P1o'd4E2w9A1q-^6F(W5p6A
B. science)[.o1}.~2B3P1o'd4E2w9A1q-^6F(W5p6A
C. subject)[.o1}.~2B3P1o'd4E2w9A1q-^6F(W5p6A