context: A young man, without apparent protective gear, is on a bicycle jumping over small hills of sand or gravel, with a long bridge and tall buildings in the background.
hypothesis: It is likely that a young man is racing home to eat dinner.
valid_hypothesis: There is almost no chance that a young man is racing home to eat dinner.
invalid_hypothesis: It is likely that a young man is racing home to eat dinner.
hypothesis_assertion: A young man is racing home to eat dinner.