Tuppence related how Mrs. Vandemeyer had declared herself willing to disclose the identity of Mr. Brown, and how she had consented to discover and reveal to them the whereabouts of Jane Finn.
She had not consented to discovering and revealing to them the whereabouts of Jane Finn.
mnli hypothesis: She had not consented to discovering and revealing to them the whereabouts of Jane Finn. premise: Tuppence related how Mrs. Vandemeyer had declared herself willing to disclose the identity of Mr. Brown, and how she had consented to discover and reveal to them the whereabouts of Jane Finn.