context: It is probably the case that John left the football. It is improbable that Greg is yellow. It is impossible that Winona is a mouse. It is highly likely that if Greg is yellow, or Winona is a mouse, then Lily is a frog. It is highly unlikely that if Winona is a mouse, and Greg is yellow, then Mary picked up the milk. It is probably not the case that if Winona is a mouse, or Greg is yellow, then Bernhard is a swan.
hypothesis: Chances are slight that john left the football, or Winona is a mouse.
valid_hypothesis: It is probable that john left the football, or Winona is a mouse.
invalid_hypothesis: Chances are slight that john left the football, or Winona is a mouse.
hypothesis_assertion: John left the football, or Winona is a mouse.