List the first four main characters of Ann M. Martin's "The Baby-Sitters Club" books.
Kristy Thomas, Mary Anne Spier, Claudia Kishi, and Stacey McGill
<START_INST>List the first four main characters of Ann M. Martin's "The Baby-Sitters Club" books.<END_INST><START_CTX><END_CTX><START_A>Kristy Thomas, Mary Anne Spier, Claudia Kishi, and Stacey McGill<END_A>