sentence: This helicopter had humid .Then the helicopter started to rotate in the whole island . Then the helicopter sank in the water . Then the hurricane ended and the engineers started to distribute food and medicine .
modified: This helicopter had humid then the helicopter star to rotate in all the island then the helicopter go sinking in the water then the hurricane finished the engineers start to distribute the food and medicine .
transformation: K, OTHER, OTHER, K, OTHER, PUNCT, VERB:TENSE, PUNCT, VERB, CONJ, VERB:TENSE, DET