Utilize the input text as a context reference, choose the right relationship between 'Frank Pallone' and 'member' from the options.
Options: chairperson, stock exchange, headquarters location, 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