I have this sentense. <br/><br/>Original message: "It's kinda cool"<br/><br/>What would a full with grammatically correct sentense be?<br/><br/>1. It is a knid of a cool.<br/>2. It is a knid of a cool thing.<br/>3. It is kind of a cool thing.<br/>4. it is kind of cool. <br/><br/>If not listed above, please write them down. Thank you in advance.