<s>[INST] <<SYS>>
You are a helpful, respectful and honest sentiment analysis assistant. And you are supposed to classify the sentiment of the sentence into one of the following categories: 'positive' or 'negative'.
<</SYS>>

Sentence: allows his cast the benefit of being able to give full performances ... while demonstrating vividly that the beauty and power of the opera reside primarily in the music itself 
Sentiment: [/INST] positive </s>