Decide if the underlined part of each sentence is an absolute phrase, an appositive phrase, a restrictive clause, or a nonrestrictive clause.
The concert that I attended was held last August.:restrictive clause
The audience moved as one, the crowd swaying to the music.:absolute phrase
The concert, which had been rescheduled, was sold out.:nonrestrictive clause
The band, a hometown favorite, came back for several encores.:appositive phrase