context: It is likely that Brian is green. Chances are slight that Bernhard is a swan. It is probably the case that Jeff went to the office.
hypothesis: It is highly likely that jeff went to the office, or Brian is green.
valid_hypothesis: It is highly likely that jeff went to the office, or Brian is green.
invalid_hypothesis: There is little chance that jeff went to the office, or Brian is green.
hypothesis_assertion: Jeff went to the office, or Brian is green.