Which normal form is defined by a relation schema R with respect to a set of dependencies F if$,$ for every nontrivial multivalued dependency X $->>$ Y in F$,$ X is a superkey for R$?$

Group of answer choices

Boyce$-$Codd normal form $($BCNF$)$

Fourth normal form $(4$NF$)$

Third normal form $(3$NF$)$

Second normal form $(2$NF$)$