input: Southern Railway 401 [SEP] instance of
meta.obj_surface: steam tank locomotive railway locomotive steam locomotive locomotive steam railway locomotive Steam
meta.sub_surface: Southern Railway 401
meta.subj_aliases: SOU 401
output.answer: steam locomotive
output.annotation_id: -1
output.section: Section::::Abstract.
output.title: Southern Railway 401
output.wikipedia_id: 28725940