<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: birthday girl lucks out with chaplin and kidman , who are capable of anteing up some movie star charisma when they need it to sell us on this twisted love story , but who can also negotiate the movie 's darker turns .  [/INST]
Sentiment: positive </s>