Evaluating using GPT-4 (Part 7)
Metric 4: Fluency

FLUENCY_SCORE_CRITERIA = """
Fluency(1-3): the quality of the summary in terms of grammar, spelling, punctuation, word choice, and sentence structure.
1: Poor. The summary has many errors that make it hard to understand or sound unnatural.
2: Fair. The summary has some errors that affect the clarity or smoothness of the text, but the main points are still comprehensible.
3: Good. The summary has few or no errors and is easy to read and follow."""