YOU SAID:

public speaking is cool

INTO JAPANESE

人前で話すのはクールです

BACK INTO ENGLISH

It's cool to talk in front of people

INTO JAPANESE

人の前で話すのはかっこいい

BACK INTO ENGLISH

It is cool to talk in front of people

INTO JAPANESE

人の前で話すのがかっこいい

BACK INTO ENGLISH

It is cool to talk in front of people