text: """extensions.py.
  
  This is a set of extensions to spaCy docs allowing custom attributes
  and methods. Typically, they would be accessed with an underscore
  prefix like `token._.is_fruit` or as `token._.get("is_fruit")`.
  """
  from spacy.tokens import Token
  
  # A custom attribute to return a boolean as to whether a token is a fruit
  fruits = ["apple", "pear", "banana", "orange", "strawberry"]
  is_fruit_getter = lambda token: token.text in fruits
  Token.set_extension("is_fruit", getter=is_fruit_getter)
  