context: Lot of people are gathered in front of a building.
hypothesis: It is probably the case that people stand outside of the building, awaiting the all clear after a fire drill.
valid_hypothesis: There is almost no chance that people stand outside of the building, awaiting the all clear after a fire drill.
invalid_hypothesis: It is probably the case that people stand outside of the building, awaiting the all clear after a fire drill.
hypothesis_assertion: People stand outside of the building, awaiting the all clear after a fire drill.