as wetness mountains in an condition , the available land in that messages will increase
wetting is increase_event. mountains is not important_climatic_borders. wetting is not increase_event. tops_of_mountains is not colder_than_surrounding_countryside. mountains is important_climatic_borders. wetness is condition. winters_across_north_west_europe has become_much_wetter tops_of_mountains is colder_than_surrounding_countryside.