<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: the fluid motion is astounding on any number of levels -- including the physical demands made on büttner -- and it implies in its wake the intractable , irreversible flow of history .  [/INST]
Sentiment: positive </s>