How do you punctuate the following, with or without the second comma?<br/><br/>He entered the room, saying, "I want to stay here."<br/><br/>or<br/><br/>He entered the room, saying "I want to stay here."<br/><br/>He entered the room, explaining, "I like it here because ...."<br/><br/>or<br/><br/>He entered the room, explaining "I like it here because ..."<br/><br/>etc. Do you add the second omma or not?