context: There is little chance that Brian is white. There is little chance that Julius is a frog. It is highly unlikely that Lily is a swan.
hypothesis: It is probably the case that brian is white, or Lily is a swan.
valid_hypothesis: It is improbable that brian is white, or Lily is a swan.
invalid_hypothesis: It is probably the case that brian is white, or Lily is a swan.
hypothesis_assertion: Brian is white, or Lily is a swan.