<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: a thoughtful and surprisingly affecting portrait of a screwed-up man who dared to mess with some powerful people , seen through the eyes of the idealistic kid who chooses to champion his ultimately losing cause 
Sentiment: [/INST] positive </s>