Take context from the input text and decide on the accurate relationship between 'Janet Yellen' and 'Federal Open Market Committee' from the options provided.
Options: currency, product/material produced, member of, position held

“Fed Chair Janet Yellen used a speaking opportunity at the University of Massachusetts to give out far more accurate guidance than all of the Federal Open Market Committee members and Fed officials have put together over the last week.…[A]fter all of that, one speech at a university answers the question the market wanted to know all this time.
member of