a. The answer to your question, is no, they will not be joining us for dinner.<br/><br/>b. The answer to your question is no. They will not be joining us for dinner.<br/><br/>c. The answer to your question is no--they will not be joining us for dinner.<br/><br/>d. The answer to your question is no: they will not be joining us for dinner.<br/><br/>Which are you happy with here and which do you not accept?<br/><br/>Ta