Instruct: Classify Amazon reviews into positive or negative sentiment
Query: An impossibilty

As neither the two dictionaries has arrived I am unable to do this. An e-mail to your Customer Service elicitated a response dated 4.07.11 advising me that the "appropriate department" would receive a copy of my letter. Despite four times since e-mailing the courtesy of a response has not been forthcoming.I will be making future puchases with AbeBooks.Gerry Chester