input: from typing import Tuple
  
  def replace_string_in_sentence(sentence: str, old_word: str, new_word: str) -> Tuple[str, str, str, str]:
      """ Replaces a given string with another string within a sentence and returns the new sentence.
      >>> replace_string_in_sentence("I love walking on the beach", "walking", "swimming")
      ('I love walking on the beach', 'walking', 'swimming', 'I love swimming on the beach')
      """
      new_sentence = sentence.replace(old_word, new_word)
      return sentence, old_word, new_word, new_sentence
output:     new_sentence = sentence.replace(old_word, new_word)
      return sentence, old_word, new_word, new_sentence