Premise: San Francisco . After three-quarters of the city was destroyed by the 1906 earthquake and fire , San Francisco was quickly rebuilt , hosting the Panama-Pacific International Exposition nine years later . In World War II , San Francisco was a major port of embarkation for service members shipping out to the Pacific Theater . It then became the birthplace of the United Nations in 1945 .
Hypothesis: San Francisco has always been uninhabitable.
Label: CONTRADICTION