context: We doubt that Greg is a frog. Chances are about even that Bernhard is white. It is almost certain that Emily is a cat.
hypothesis: We believe that either Greg is a frog, or Emily is a cat.
valid_hypothesis: We believe that either Greg is a frog, or Emily is a cat.
invalid_hypothesis: There is almost no chance that either Greg is a frog, or Emily is a cat.
hypothesis_assertion: Either Greg is a frog, or Emily is a cat.