code: function getSentencesFromBlock( block ) {
  	const sentenceTokenizer = new SentenceTokenizer();
  	const { tokenizer, tokens } = sentenceTokenizer.createTokenizer();
  	sentenceTokenizer.tokenize( tokenizer, block );
  
  	return tokens.length === 0 ? [] : sentenceTokenizer.getSentencesFromTokens( tokens );
  }
docs: Returns the sentences from a certain block.
  
  @param {string} block The HTML inside a HTML block.
  @returns {Array<string>} The list of sentences in the block.