John was asked if he stole the apple pie, and he said no. OK?<br/><br/>John was asked if he stole the apple pie, and he said, "No." OK as well?<br/>**Can I punctuate this sentence both ways?<br/><br/>John asked if he stole the apple pie, to which he replied in the negative.<br/>Comma after 'pie'?<br/><br/>Jackson moved his business to downtown Harlem last week so as to increase patron walk-ins.<br/>Comma before 'so'?<br/><br/>I interviewed and obtained a written statement from John Doe in which he admitted to stealing Jamie's cat.<br/>Comma after 'Doe'?<br/><br/>Thanks.