<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 format gets used best ... to capture the dizzying heights achieved by motocross and bmx riders , whose balletic hotdogging occasionally ends in bone-crushing screwups .  [/INST]
Sentiment: 