"RELATED-TO:person.1@example.com\n"
"RELATED-TO;RELTYPE=PARENT:person.2@example.com\n"
"RELATED-TO;SCHOOL=MEETING:person.3@example.com\n"
"RELATED-TO:person.1@example.com\n"
"RELATED-TO;RELTYPE=PARENT:person.2@example.com\n"
"RELATED-TO;SCHOOL=MEETING:person.3@example.com\n"