context: It is probably not the case that Bernhard is green. It is almost certain that Mary went to the office. It is impossible that Julius is yellow. It is unlikely that if Bernhard is green, and Mary went to the office, then Greg is a swan. Chances are slight that if Julius is yellow, or Bernhard is green, then Brian is a lion. It is improbable that if Julius is yellow, and Mary went to the office, then Sandra put down the milk.
hypothesis: It is highly likely that either Mary went to the office, or Greg is a swan.
valid_hypothesis: It is highly likely that either Mary went to the office, or Greg is a swan.
invalid_hypothesis: Chances are slight that either Mary went to the office, or Greg is a swan.
hypothesis_assertion: Either Mary went to the office, or Greg is a swan.