context: There is almost no chance that Lily is yellow. It is probable that Jessica is a mouse. It is probable that Greg is a swan.
hypothesis: It is almost certain that greg is a swan, and Jessica is a mouse.
valid_hypothesis: Chances are about even that greg is a swan, and Jessica is a mouse.
invalid_hypothesis: It is almost certain that greg is a swan, and Jessica is a mouse.
hypothesis_assertion: Greg is a swan, and Jessica is a mouse.