Any neighborhood courtesy—an exchange of a banana for a red pepper, or the return of a borrowed utensil—was sure to pass through our messenger system.
which words have a connotative meaning in the sentence

- "there are several movements that doris lessing was associated with. first of all, communism. she pursued her communist beliefs and included them in her writing, and was also a member of several communist book clubs. she is also strongly associated with feminism, her fight for equality and women's rights.

doris lessing is the kind of writer who has followers, not just readers. they have been engaged to her chiefly because of her involvement in major problems, such as politics and woman-ism."

op: object of preposition

they are direct opposites. they can both be corrupted. they are inseparable.