Which detail from the story is part of the exposition

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?

Sign wet paint when you see this sign, what will you say to other people that is going to sit? a. you must stay away from the area because it is under construction. b. you must not sit on the bench, so just stay away from it. i’m just not sure which one is correct

Which phrase most closely matches the meaning of the word pleasantries in this excerpt from susan glaspell's trifles? county attorney: (as one turning from serious things to little pleasantries) well ladies, have you decided whether she was going to quilt it or knot it? a. tea cakes b. trivial talk c. foolish actions d. childish behavior