context: It is highly likely that Greg is yellow. There is little chance that Lily is a lion. There is a better than even chance that Jessica is a mouse. It is highly unlikely that if Greg is yellow, and Lily is a lion, then Mary went to the office. We believe that if Greg is yellow, and Jessica is a mouse, then John left the apple. It is impossible that if Lily is a lion, or Greg is yellow, then Julius is gray.
hypothesis: There is almost no chance that greg is yellow, and Jessica is a mouse.
valid_hypothesis: Chances are about even that greg is yellow, and Jessica is a mouse.
invalid_hypothesis: There is almost no chance that greg is yellow, and Jessica is a mouse.
hypothesis_assertion: Greg is yellow, and Jessica is a mouse.