context: Chances are slight that Lily is a lion. It is improbable that Emily is a mouse. Chances are about even that Mary moved to the garden.
hypothesis: There is a better than even chance that mary moved to the garden, or Lily is a lion.
valid_hypothesis: There is a better than even chance that mary moved to the garden, or Lily is a lion.
invalid_hypothesis: There is almost no chance that mary moved to the garden, or Lily is a lion.
hypothesis_assertion: Mary moved to the garden, or Lily is a lion.