premise: Frederick William Chesson (1833–1888) was an English journalist and prominent anti-slavery campaigner. He was active in the London Aborigines' Protection Society and Emancipation Committee, and met Harriet Ann Jacobs when she was in England in 1858; and was a vocal supporter of the Union side during the American Civil War.
hypothesis: Frederick William Chesson lived for 57 years
reason: Frederick William Chesson 1833-1888 was 55 when she died so the statement was incorrect