README ====================================================================================================================================================================================== Please run the chatbot.py file to run The dataset is the book "A brief history of Time" by Stephan Hawking. Sample questions: when did German philosopher Heinrich Olbers write about the theory? who predicted light deflection cannot be tested immediately? what is a geodesic? who mounted the wheelchair? when did Joel Scherk show that string theory could describe the gravitational force? Is Galileo responsible for the birth of modern science? What was Einstein's second great cause? when did Galileo's friend become the Pope? Input "bye" when done answering