context: A crowd of people are watching hot air balloons inflate.
hypothesis: It is probably the case that people watching hot air balloons inflating to prepare for a trip.
valid_hypothesis: It is probably the case that people watching hot air balloons inflating to prepare for a trip.
invalid_hypothesis: It is highly unlikely that people watching hot air balloons inflating to prepare for a trip.
hypothesis_assertion: People watching hot air balloons inflating to prepare for a trip.