Which one is more acceptable? <br/><br/>A: Could you do me a favor to pick up Sam from school today?<br/><br/>B: Could you do me a favor and pick up Sam from school today?<br/><br/>Thanks for your help <img class='emoticon' style='Width:19px;Height:19px;' data-delaysrc='https://uat-englishforward-forums-backend.s3.us-west-2.amazonaws.com/Emoticons/1.gif' src='https://uat-englishforward-forums-backend.s3.us-west-2.amazonaws.com/Emoticons/1.gif' alt='Emotion: smile'/>