sentence: The other problem related to the offered excursions . You promised a number of attractions , but two ( the walk up to the mountain , as well as the visit to a historic castle ) were not available .
modified: The other problems is about the offered excursions : You promised a number of attractions , but two ( the walk up to the mountain as well as the visit of a historic castle ) were not available .
transformation: NOUN:NUM, OTHER, PUNCT, PUNCT, PREP