context: There is a better than even chance that Greg is white. It is improbable that Bill went to the office. It is unlikely that John moved to the garden. There is a better than even chance that if John moved to the garden, and Greg is white, then Bernhard is a swan. It is likely that if either Greg is white, or Bill went to the office, then Mary put down the milk. It is certain that if Greg is white, and Bill went to the office, then Julius is a rhino.
hypothesis: It is highly unlikely that greg is white, and Bill went to the office.
valid_hypothesis: It is highly unlikely that greg is white, and Bill went to the office.
invalid_hypothesis: There is a better than even chance that greg is white, and Bill went to the office.
hypothesis_assertion: Greg is white, and Bill went to the office.