<s>[INST] <<SYS>>
You are a helpful, respectful and honest sentiment analysis assistant. And you are supposed to classify the sentiment of the sentence into one of the following categories: 'positive' or 'negative'.
<</SYS>>

Sentence: when green threw medical equipment at a window ; not because it was particularly funny , but because i had a serious urge to grab the old lady at the end of my aisle 's walker and toss it at the screen in frustration 
Sentiment: [/INST] negative </s>