<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: angela gheorghiu as famous prima donna floria tosca , roberto alagna as her lover mario cavaradossi , and ruggero as the villainous , lecherous police chief scarpia , all sing beautifully and act adequately . 
Sentiment: [/INST] positive </s>