In the context of the input sentence, determine the relationship between 'Roy Moore' and 'chief justice'.
Options: location of formation, legal form, member of, position held

Alabama chief justice walks back... Chief Justice Roy Moore suggested same-sex marriages in his state would be... Paul meets rancher Cliven Bundy Bundy made headlines last year and became the face of a land rights... Trump: ‘We look like we’re beggars... "The people representing Iran are master negotiators.
position held