context: Four people wearing backpacks walking in a line along a mountain trail.
hypothesis: It is likely that four people are walking along a mountain trail trying to get down before the storm.
valid_hypothesis: There is almost no chance that four people are walking along a mountain trail trying to get down before the storm.
invalid_hypothesis: It is likely that four people are walking along a mountain trail trying to get down before the storm.
hypothesis_assertion: Four people are walking along a mountain trail trying to get down before the storm.