context: A young man in a heavy brown winter coat stands in front of a blue railing with his arms spread.
hypothesis: It is highly unlikely that the railing is in front of a frozen lake.
valid_hypothesis: It is highly unlikely that the railing is in front of a frozen lake.
invalid_hypothesis: There is a better than even chance that the railing is in front of a frozen lake.
hypothesis_assertion: The railing is in front of a frozen lake.