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

Sentence: even before it builds up to its insanely staged ballroom scene , in which 3000 actors appear in full regalia , it 's waltzed itself into the art film pantheon .  [/INST]
Sentiment: positive </s>