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S1 is true for 2 attributed relation ,Relation will be always in 1NF ,2NF,3NF,BCNF

Let relation R1(A,B) A->B ,B->A  then R1 is in 1NF,2NF,3NF,BCNF

s2 is not true since minimal form here is removing the FD AB->E from given minimal form we are unable to get that FD so S2 is not minimal form of given FD's

so Option A is correct

S1 is true and S2 is false

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