sentence: And last but not the least , public transport is much safer than private transport , because it transports many more people , and so , there is more caution .
modified: And the last , ( but not the least ) , public transport is muche safe than the private , because it transports much more people , and so , there is more cauttion .
transformation: DET, PUNCT, PUNCT, PUNCT, SPELL, ADJ:FORM, DET, NOUN, OTHER, SPELL