#Person1#: Mr. Brown, are your children always kicking up a row like this? I cannot concentrate on my paper.
#Person2#: Sorry, Mr. Black. I'm trying to make them quiet.
#Person1#: I'm afraid if the noise goes on, I shall have no alternative but to leave.
#Person2#: Sorry, sir. Believe me, everything will be all right.
Mr. Black complains about the children's noise to Mr. Brown.
complaint