<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: `` based on true events , '' a convolution of language that suggests it 's impossible to claim that it is `` based on a true story '' with a straight face . 
Sentiment: [/INST] negative </s>