src/researches/findTransitionWords.js
function( sentence, transitionWords ) {
	sentence = normalizeSingleQuotes( sentence );
	return transitionWords.filter( word => matchWordInSentence( word, sentence ) );
}
function( sentence, transitionWords ) {
	sentence = normalizeSingleQuotes( sentence );
	return transitionWords.filter( word => matchWordInSentence( word, sentence ) );
}
Matches the sentence against transition words.

@param {string} sentence The sentence to match against.
@param {Array} transitionWords The array containing transition words.
@returns {Array} The found transitional words.