Which sentence states a fact?

 - The Jamestown colony was founded in 1607.
 - Life was harder in Jamestown than in Plymouth.
The first sentence states a fact.
The Jamestown colony was founded in 1607.
It can be proved by looking up when the Jamestown colony was started.
The second sentence states an opinion.
Life was harder in Jamestown than in Plymouth.
Hard shows what a person believes, thinks, or feels. Another person might have a different opinion about what makes life easy or hard.