Campbell held that the ancient mythologies and religions are allegorical and that there was no real distinction between gods and goddesses, who were given sexual identity when in human form only to make them more meaningful.
( Campbell ( ( held ( ( ( that ( ( ( ( the ( ancient mythologies ) ) and ) religions ) ( are allegorical ) ) ) and ) ( that ( there ( was ( ( ( no ( real distinction ) ) ( between ( ( ( ( gods and ) goddesses ) , ) ( who ( were ( ( ( given ( sexual identity ) ) when ) ( in ( human form ) ) ) ) ) ) ) ) ( only ( to ( make ( them ( more meaningful ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Campbell)) (VP (VBD held) (SBAR (SBAR (IN that) (S (NP (NP (DT the) (JJ ancient) (NNS mythologies)) (CC and) (NP (NNS religions))) (VP (VBP are) (ADJP (JJ allegorical))))) (CC and) (SBAR (IN that) (S (NP (EX there)) (VP (VBD was) (NP (NP (DT no) (JJ real) (NN distinction)) (PP (IN between) (NP (NP (NNS gods) (CC and) (NNS goddesses)) (, ,) (SBAR (WHNP (WP who)) (S (VP (VBD were) (VP (VBN given) (NP (JJ sexual) (NN identity)) (NP (WRB when)) (PP (IN in) (NP (JJ human) (NN form))))))))) (S (RB only) (VP (TO to) (VP (VB make) (S (NP (PRP them)) (ADJP (RBR more) (JJ meaningful)))))))))))) (. .)))
Ancient mythologies are literal. 
( ( Ancient mythologies ) ( ( are literal ) . ) )
(ROOT (S (NP (JJ Ancient) (NNS mythologies)) (VP (VBP are) (ADJP (JJ literal))) (. .)))