context: It is impossible that Greg is a swan. It is highly likely that John went to the garden. It is probably the case that Julie is in the kitchen. There is a very good chance that if Julie is in the kitchen, or John went to the garden, then Fred moved to the office. There is almost no chance that if Greg is a swan, and John went to the garden, then Mary put down the milk. It is impossible that if Greg is a swan, and Julie is in the kitchen, then Jason is bored.
hypothesis: It is highly unlikely that either Jason is bored, or John went to the garden.
valid_hypothesis: It is highly likely that either Jason is bored, or John went to the garden.
invalid_hypothesis: It is highly unlikely that either Jason is bored, or John went to the garden.
hypothesis_assertion: Either Jason is bored, or John went to the garden.