answers: martin luther king jr. light
questions: who is quoted in the tweet? what can drive out darkness?
paragraph: Darkness cannot drive out darkness; only light can do that. Hate cannot drive out hate; only love can do that ~Martin Luther King Jr #MLKDay— MichelleTrachtenberg (@RealMichelleT) January 20, 2014
questions_answers: question: who is quoted in the tweet?, answer: martin luther king jr. | question: what can drive out darkness?, answer: light