input: 
  from typing import List
  
  def classify_text(texts: List[str]) -> List[str]:
      """ Classify the given list of text documents into two classes: positive and negative.
      >>> classify_text(["This is a great movie!", "This movie was terrible"])
      ['positive', 'negative']
      """
  
output:     classifications = []
      for text in texts:
          if "great" in text or "good" in text or "positive" in text:
              classifications.append("positive")
          else:
              classifications.append("negative")
      return classifications