code: function next_word_is(tagged_sentence, i, parameter) {
                if (i < tagged_sentence.length - 1) {
                  return(tagged_sentence[i + 1][0] === parameter);
                }
              }
docs: /*
  function next_word_is_cap(sentence, i, parameter) {
  if (i < sentence.length - 1) {
  var next_word = tagged_sentence[i+1].token;
  return(next_word[0] === next_word[0].toUpperCase());
  }
  else {
  return(false);
  }
  }