The Open Window Summary. Mr. Framton Nuttel has just moved to a new town. While visiting one of his sister's acquaintances, Mrs. Sappleton, he spends some time with the woman's niece, Vera. Vera recounts a story about how her aunt lost her husband and two brothers in a tragic hunting accident.
Answer:
I think the second option is the right answer
Addy and I support each other.
Andrew and Brooke annoy each other.
It is not “one another” in any case. Each other is for 2 individuals; “one another” is used for 3 or more people