premise1: A group of people, mostly teenagers, are working on a city sidewalk, digging and cleaning up vines.
premise2: A group of people work in their shared urban garden as passersby watch.
premise3: A large group of people are working on a sidewalk landscaping.
premise4: Four people doing landscape work on public street.
premise: A group of people, mostly teenagers, are working on a city sidewalk, digging and cleaning up vines. A group of people work in their shared urban garden as passersby watch. A large group of people are working on a sidewalk landscaping. Four people doing landscape work on public street.
hypothesis: Families gather.