Consider a relation r(a, b, c, d, e, f, g, h) the fs f={ch->g, a->bc, b-> cfh, e-> a, f-> eg} are given.
A: The relation is in 2NF but not in 3NF.
B: The relation is in 3NF but not in BCNF.
C: The relation is in BCNF but not in 1NF.
D: The relation is in 1NF but not in 2NF.