<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 last 20 minutes are somewhat redeeming , but most of the movie is the same teenage american road-trip drek we 've seen before - only this time you have to read the fart jokes  [/INST]
Sentiment: 