<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: unexpected moments of authentically impulsive humor are the hallmark of this bittersweet , uncommonly sincere movie that portrays the frank humanity of ... emotional recovery .  [/INST]
Sentiment: positive </s>