Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Monte's free online article Dec. 2007 gives full text references for his video talk

A medical layman, I've been active since 1999 as a conscientious volunteer information activist who provides online reviews of mainstream scientific research about aspartame (methanol, formaldehyde, formic acid) toxicity, as a public service.Prof. Monte provides the best summary of the research.His 145 minute DVD video presentation summarizes information explained in detail in a long article:Monte WC. 2007, A Deadly Experiment.Fitness Life. 2007 Dec.; 34: 38-42.[...]223 references with abstracts or full and partial texts