input: 204 [SEP] instance of
meta.obj_surface: natural numbers natural number
meta.sub_surface: 204 (number)
meta.subj_aliases: two hundred four two hundred and four
output.answer: natural number
output.annotation_id: -1
output.section: Section::::Abstract.
output.title: 204 (number)
output.wikipedia_id: 6317336
output.answer: natural numbers (individually)
output.answer: natural number (ambiguously including zero)
output.answer: n
output.answer: n (natural number)
output.answer: ∈ℕ