Collect consumer feedback from blind tests for 3 new room temperature instant black coffees, offer differentiated scores and optimization suggestions for product R&D.
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Sort through consumer feedback from blind tests for three newly launched room temperature instant black coffee products, give quantitative scores for each one across four dimensions: bitterness, acidity, aroma and smoothness, compare the taste differences between the three products, point out each one's advantages and details that need adjustment, and finally put forward clear direction for formula optimization.
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