<b>Mr. A : (</b>To Mr. B), why your friend(Mr.C) is angry with you now?<br/><br/><b>Mr. B :</b> Yesterday I didn't attend his birthday party, so he is now angry.<br/><br/><b>Mr. A</b> : I see, what kept you off from going there yesterday?<br/><br/><b>Mr. B :</b> My mother didn't like him, so he refrained me to go his house.<br/><br/><b>Mr. A :</b> You must have convinced your mother, as he is your best friend and yesterday he had, as you know, his birthday.<br/><br/>Please correct my conversation.