context: People seated at long tables all facing the same direction, some writing and some watching.
hypothesis: It is impossible that a family reunion is in progress as relatives sit at tables and write down each other's addresses.
valid_hypothesis: It is impossible that a family reunion is in progress as relatives sit at tables and write down each other's addresses.
invalid_hypothesis: It is probably the case that a family reunion is in progress as relatives sit at tables and write down each other's addresses.
hypothesis_assertion: A family reunion is in progress as relatives sit at tables and write down each other's addresses.