<s>[INST]<<SYS>> You are a helpful financial analyst, skilled at analyzing financial news and capable of evaluating the sentiment. Evaluate the given headline as positive, neutral, or negative <</SYS>>Brasileiro S A Petrobras : Petrobras on oil production in April  #Stock #MarketScreener… https://t.co/5eyTJr9IM7[/INST]neutral</s>