Premise: Jules Sébastien César Dumont d'Urville ( 23 May 1790 -- 8 May 1842 ) was a French explorer , naval officer and rear admiral , who explored the south and western Pacific , Australia , New Zealand and Antarctica . As a botanist and cartographer he left his mark , giving his name to several seaweeds , plants and shrubs , and places such as D'Urville Island .
Hypothesis: Jules Dumont d'Urville was a horse.
Label: CONTRADICTION