context: It is unlikely that Bernhard is a rhino. We believe that Lily is a lion. Chances are slight that Emily is a cat.
hypothesis: We believe that emily is a cat, or Lily is a lion.
valid_hypothesis: We believe that emily is a cat, or Lily is a lion.
invalid_hypothesis: It is impossible that emily is a cat, or Lily is a lion.
hypothesis_assertion: Emily is a cat, or Lily is a lion.