sentence: To sum up , this unpleasant phenomenon and its problems should be worked on to resolve them before things get worse , and the governments have to take the responsibility for that .
modified: To sum up , this unpleasant phenmenon and problems should be worked out to resolve before thing get worse ang the governments have to take the responsibility for that .
transformation: SPELL, DET, PART, PRON, NOUN:NUM, PUNCT, SPELL