Which sentence states a fact?
Peru's coast is the least interesting part of the country. A narrow strip of desert runs along Peru's coastline.
A fact is something that can be proved to be true. Facts can be proved by observing, measuring, or studying information.
The flag of the United States has 13 stripes.
This is a fact. It can be proved by looking at the flag and counting the number of stripes.
An opinion is something that a person believes, thinks, or feels. An opinion cannot be proved true.
The flag of the United States is easy to draw.
This is an opinion. People may have different opinions about what makes a flag "easy" to draw.
The first sentence states a fact.
A narrow strip of desert runs along Peru's coastline.
It can be proved by looking up Peru's geography.
The second sentence states an opinion.
Peru's coast is the least interesting part of the country.
Least interesting shows what a person believes, thinks, or feels. Another person might have a different opinion about what is interesting.