context: Chances are slight that Greg is a rhino. There is a better than even chance that Lily is a frog. There is a very good chance that Brian is a swan.
hypothesis: It is highly unlikely that greg is a rhino, or Lily is a frog.
valid_hypothesis: There is a better than even chance that greg is a rhino, or Lily is a frog.
invalid_hypothesis: It is highly unlikely that greg is a rhino, or Lily is a frog.
hypothesis_assertion: Greg is a rhino, or Lily is a frog.