sentence: follow in London I 'll go for a walk to get to Big Ben , which is the most beautiful building in all its splendour , where I will take pictures .
modified: follow in London I 'll go for a walk to arrive at the big ben that is the most beautiful bullding in all its splendour when I will take pictures
transformation: K, VERB, PREP, DET, OTHER, DET, SPELL, PUNCT, ADV, PUNCT