Decide whether the following correspondences are communicating：Hi Mike,I sincerely appreciate your filling in for me last week when I was too ill to attend the committee meeting for the summer exhibition.Without your participation much of my preparatory work would have been lost. It’s comforting to know that competent and generous individuals like you are part of our team, Mike. Moreover, it’s my good fortune to be able to have you as a friend. I’m grateful to what you have done for me.Yours best,John