Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Fifteen going on fifty.

Altough I enjoyed PI, (and didn't have too much trouble buying into the Chef and Algae Island episodes) the final debriefing by authorities after Pi's rescue seemed to me less than credible. This is no longer a fifteen year old speaking - and even given the maturation that such isolation and survival must have had on Pi - he shifts into a persona that is impossible to accept. We've come too far with Pi as an ingenious and resourceful adolescent to cast him in the role of mystic guru even under the interrogation of such dolts. The book shifts from the voice of Pi to the voice of Martel and it left me feeling betrayed. Sorry, Yann, but even in allegories, characterization needs to remain consistent.