Instruct: Classify Amazon reviews into positive or negative sentiment
Query: THERE IS BETTER BOOKS

USP USE MOSTLY HPLC METHODOLOGY THAN OTHERS PHARMACOPOEIAS, LIKE EUROPEAN PHARMACOPEIA, PORTUGUESE PHARMACOPEIA, BRAZILIAN PHARMACOPOEIA THAT USES MORE ECONOMICAL METHODS THAN HPLC.EUROPEAN PHARMACOPOEIA IS RECOGNIZED WORLWIDE.