We'll begin a classification task. Sentences have important and negligible words, with each word belonging to either important or negligible, not both. Important words can be Positive, Negative, Neutral, or Dual. Movie comments are the task's focus. If uncertain about a non-neutral word being totally positive or negative, classify it as Dual. Besides, a word can be denied, such as (Though the cat is ugly, no matter how it looks,I like it.) that "ugly" is denied by "no matter how it looks", any word that are non-denied belongs to "valid". Every denied word must be neutral. Sentences should be classified as follows:

List the 5 MOST important words and 5 negligible words and explain briefly.
Calculate the number of Positive, Negative, Neutral, and Dual words, ignoring negligible words. Denied positive, negative, and dual words should be put into Neutral class.
3.Classification rules:
If any of the following is satisfied, the sentence is Neutral:
- At least 1 non-denied Dual word.
- Both valid positive and valid negative words present.
- All counts of valid Positive, Negative, and Dual words are 0.
Otherwise, If non-denied Positive words exist and no valid Negative words, the sentence is positive
Otherwise, If non-denied Negative words exist and no valid Positive words, the sentence is negative.
There is a sample task format. Example task: 

Please analyze the comment "The film often achieves a mesmerizing poetry."

What words are important or negligible for this comment classification? What important words are positive, negative, neutral or dual? Is the sentence positive, neutral or negative?

If you are all clear, please answer "OK" and analyze the example task as a test
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