Which sentence states a fact?
The Maori people of New Zealand have the most fascinating culture. The Maori people are the native people of New Zealand.
A fact is something that can be proved true by research or observation.
George Washington became president of the United States in 1789.
This statement is a fact. It can be proved by researching what year George Washington was inaugurated president.
An opinion is something that a person believes, thinks, or feels. An opinion can be supported by evidence, but it cannot be proved true.
George Washington was a better president than Thomas Jefferson.
This statement is an opinion. People can have different ideas about what makes someone a "better" president, so the statement cannot be proved.
The first sentence states a fact.
The Maori people are the native people of New Zealand.
It can be proved by reading about New Zealand.
The second sentence states an opinion.
The Maori people of New Zealand have the most fascinating culture.
Most fascinating shows what a person believes, thinks, or feels. Another person might have a different opinion about what culture is the most fascinating.