Which sentence contains a nonessential relative clause?

the singer, who was very talented, knew the words to the song.

the singer who was very talented knew the words to the song.

the singer knew the words to the song that she would sing.

the singer remembered the words that were difficult.

Read this excerpt from leah missbach day's foreword to wheels of change.bicycles have long played a role in my life. as a young woman, i rode one year-round before i had a car. but it was later in adulthood that the bicycle became more than a source of transportation for me. the bicycle actually began to truly shape the way i saw the world.what is the author's purpose for including this in the foreword?

In the revolution 2.0 note the wording of the protest guidelines.what word choices create a tone of reason and control? how might this tone affect the readers

From this story and the indian saying which precedes it, what can the reader conclude about the culture in which the tale is set? a) they believe that death is always signified by pigeons flying away. b) they think that the behavior of creatures in the natural world can indicate things that will happen to people. c) they believe that honest, hard work provides relief from the ravages of the natural world. d) they think that death isn't the end, but only the beginning of a new life.