input: def get_word_lists(strings: List[str]) -> List[List[str]]:
      """
      Generate a list of lists of words from the given list of strings.
      Each inner list should contain the words from one string, starting with the first word and followed by lists of subsequent words.
      
      >>> get_word_lists(["Hello world", "This is a test"])
      [['Hello', 'world'], ['This', 'is', 'a', 'test']]
      """
output:     word_lists = []
      for string in strings:
          words = string.split()
          word_lists.append(words)
      return word_lists