input: Write a function to print the top 5 most frequent words in a given sentence. The function should use the `collections.Counter` method to count the frequency of each word and then return the top 5 most common words. If the sentence is empty, the function should return an empty list.
  
  assert top_5_frequent_words("Python is an interpreted, high-level, general-purpose programming language.")==[('Python', 1), ('is', 1), ('an', 1), ('interpreted,', 1), ('high-level,', 1)]
  assert top_5_frequent_words("Python is awesome and Python is powerful.")==[('is', 2), ('Python', 2), ('and', 1), ('powerful.', 1), ('awesome', 1)]
  assert top_5_frequent_words("The quick brown fox jumps over the lazy dog.")==[('The', 1), ('quick', 1), ('brown', 1), ('fox', 1), ('jumps', 1)]
  assert top_5_frequent_words("")==[]
output: def top_5_frequent_words(sentence):
      if not sentence:
          return []
      words = sentence.split()
      word_counts = Counter(words)
      return word_counts.most_common(5)