premise1: People, many of whom are wearing a white t-shirt, have filled up a city street.
premise2: A large group of people are assembled in a large city.
premise3: Thousands of people attending a rally or event.
premise4: A massive crowd at Times Square.
premise: People, many of whom are wearing a white t-shirt, have filled up a city street. A large group of people are assembled in a large city. Thousands of people attending a rally or event. A massive crowd at Times Square.
hypothesis: A group walking.