Which sentence states a fact?
Diwali is less enjoyable than other Hindu holidays, such as Holi and Navratri. Many Hindus celebrate a holiday called Diwali by lighting candles and exchanging gifts.
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 second sentence states a fact.
Many Hindus celebrate a holiday called Diwali by lighting candles and exchanging gifts.
It can be proved by reading about Diwali.
The first sentence states an opinion.
Diwali is less enjoyable than other Hindu holidays, such as Holi and Navratri.
Less enjoyable shows what a person believes, thinks, or feels. Another person might have a different opinion about what makes a holiday enjoyable.