What is the default file in a react project, and how do we run it on a local machine?

Group of answer choices

index.js$,$ which will produce index.html$.$ We directly open the file in the browser.

index.js$,$ which will produce index.html$.$ We directly run the file with the browser JavaScript engine

index.js$,$ which will produce index.html$.$ We should run $$npm start$$ command in a terminal and open the given link in the browser at localhost and the given port.