context: There is little chance that Yann is tired. It is certain that Emily is a cat. It is highly likely that Greg is a swan. There is little chance that if Greg is a swan, or Emily is a cat, then Lily is a lion. Chances are about even that if Yann is tired, and Greg is a swan, then John went to the kitchen. There is little chance that if Yann is tired, and Emily is a cat, then Daniel is in the garden.
hypothesis: There is almost no chance that emily is a cat, and Daniel is in the garden.
valid_hypothesis: There is almost no chance that emily is a cat, and Daniel is in the garden.
invalid_hypothesis: It is highly likely that emily is a cat, and Daniel is in the garden.
hypothesis_assertion: Emily is a cat, and Daniel is in the garden.