Let's imagine there are two boys. Either wears a red cap. Then, which one (ones) of the following sentences is (are) correct? <img class='emoticon' style='Width:19px;Height:19px;' data-delaysrc='https://uat-englishforward-forums-backend.s3.us-west-2.amazonaws.com/Emoticons/10.gif' src='https://uat-englishforward-forums-backend.s3.us-west-2.amazonaws.com/Emoticons/10.gif' alt='Emotion: embarrassed'/><br/><br/>(1) Two caps of the two boys are red.<br/><br/>(2) Two caps of the boys are red.<br/><br/>(3) Two caps of the boy are red.<br/><br/>Or, is there more decent expression?<br/><br/>Thank you very much.