chal-lenge (noun) an objection or query as to the truth of something, often with an implicit demand for proof.
"a challenge to the legality of the order"
synonyms:test, questioning, dispute, stand, opposition, confrontation
"a challenge to his leadership"
nar-ra-tive (noun) a spoken or written account of connected events; a story.
"the hero of his modest narrative"
synonyms:account, chronicle, history, description, record, report, story
"an interesting narrative about her year in Bolivia"