sentence: After the summary is to certify that travelling by train is the most advantageous , but the most important reason why I chose travelling by train is the fact that I have motion sickness , and I 'm afraid to fly .
modified: After the summary is to certify that travelling by train is the most advantageous , but the most important reason why I chose journey by train a fact that I have a motion sickness , and I 'm afraid to fly .
transformation: K, NOUN, VERB, DET, DET