sentence: The research done in this field has provided new mechanisms that give the impression of being an alternative to yield the necessary amount of crops for humans . Unfortunately , there is no evidence of GMC 's being completely safe for human consumption .
modified: The research done in this field has provided new mechanisms that give the impression of being an alternative to yield the necessary amount of crops for humans , unfortunately , there is no evidence of GMC 's being completely safe for human consumption .
transformation: PUNCT