What are three conflicts and their solutions in the man in the brown suit by Agatha Christie?

Conflict: Anne is suspicious of the death of her father, and believes it was murder. Solution: Anne teams up with Sir Eustace Pedler to investigate the case and uncover the true culprit.

Conflict: Race, an enigmatic man, is involved in a secret plot to steal important documents. Solution: Anne works with the authorities to expose Race's true identity and foil the plot.

Conflict: The characters face danger and intrigue as they unravel the mystery surrounding the man in the brown suit. Solution: Through clever detective work and collaboration, they are able to piece together the clues and bring the criminal to justice.