Which is the best example of a claim?

first of all, if someone says your dream is impossible, they're wrong.

you can’t prove that something is impossible—all you know is that [it] hasn’t been done yet.

people said no one could scale mount everest, but in 1953, sir edmund hilary and tenzing norgay gazed down upon the world from its summit.

people said that man could not fly, but in 1903, orville and wilbur wright made the first sustained powered flight in a heavier-than-air machine.

First of all, if someone says your dream is impossible, they're wrong. That is the correct answer I took the test. :)

100% it is First of all, if someone says your dream is impossible, they're wrong.

Explanation:

realistic fiction depicts life and society in a true to life  manner.

its main characters are dynamic.

they grow and transform with their experiences, making it easier for readers to  relate to them.

this genre primarily focuses on the  daily struggles  of ordinary people, validating their experiences.

hope that ! : )

they would have to clean it very clean