input: Write a function to generate a list of lists of words from a given list of strings. Each sublist should start with the first word of the corresponding string, followed by the subsequent words.
  
  def get_word_lists(strings):
      word_lists = []
      for string in strings:
          words = string.split(" ")
          word_list = [word for word in words]
          word_lists.append(word_list)
      return word_lists
  
  assert get_word_lists(["Hello world", "This is a test"]) == [["Hello", "world"], ["This", "is", "a", "test"]]
  assert get_word_lists(["Python is fun", "Coding is love"]) == [["Python", "is", "fun"], ["Coding", "is", "love"]]
  assert get_word_lists([]) == []
output: def get_word_lists(strings):
      word_lists = []
      for string in strings:
          words = string.split(" ")
          word_list = [word for word in words]
          word_lists.append(word_list)
      return word_lists