Tonetizer returns an indicator of the overall sentiment of the processed text (SWAS: Saliency Weighted Average Sentiment), the indicator ranges from -100 (extremely negative sentiment) to zero (neutral tone) to +100 (extremely positive sentiment).
In addition to the SWAS Tonetiser lists the keywords (typically adjectives or adverbs) that are most semantically relevant in the text and that contributed most to the calculation of sentiment (SWAS).