a	/tv/tv_writer/tv_programs./tv/tv_program_writer_relationship/tv_program	b
b	/people/person/sibling_s./people/sibling_relationship/sibling	a
a	/tv/tv_writer/tv_programs./tv/tv_program_writer_relationship/tv_program	b
b	/people/person/sibling_s./people/sibling_relationship/sibling	c
