context: It is probably the case that Bernhard is green. It is probably the case that Bill went to the garden. There is little chance that Lily is white. There is a better than even chance that if either Bill went to the garden, or Bernhard is green, then Brian is a rhino. It is improbable that if Bernhard is green, or Bill went to the garden, then Sandra left the milk. Chances are slight that if Bernhard is green, and Lily is white, then Mary picked up the milk.
hypothesis: It is probable that either Bernhard is green, or Mary picked up the milk.
valid_hypothesis: It is probable that either Bernhard is green, or Mary picked up the milk.
invalid_hypothesis: There is almost no chance that either Bernhard is green, or Mary picked up the milk.
hypothesis_assertion: Either Bernhard is green, or Mary picked up the milk.