context: There is almost no chance that John moved to the office. There is little chance that Fred is in the park. There is a very good chance that Bernhard is yellow. There is almost no chance that if Bernhard is yellow, or John moved to the office, then Greg is a swan. Chances are slight that if Fred is in the park, or Bernhard is yellow, then Lily is a lion. There is a very good chance that if either John moved to the office, or Fred is in the park, then Mary went to the garden.
hypothesis: It is almost certain that either Mary went to the garden, or John moved to the office.
valid_hypothesis: It is improbable that either Mary went to the garden, or John moved to the office.
invalid_hypothesis: It is almost certain that either Mary went to the garden, or John moved to the office.
hypothesis_assertion: Either Mary went to the garden, or John moved to the office.