In the context of the input sentence, determine the relationship between 'Frank Pallone' and 'member'.
Options: headquarters location, chairperson, stock exchange, position held

The letter was signed by committee chairman Fred Upton, R-Mich., and ranking member Frank Pallone Jr., D-N.J., as well as Rep. Tim Murphy, R-Pa., chairman of the subcommittee on oversight and investigations, and Diana DeGette, D-Colo., the subcommittee’s ranking member.
position held