context: It is likely that Sandra left the football. There is a very good chance that Bernhard is green. It is certain that Fred discarded the milk. It is certain that if Bernhard is green, and Sandra left the football, then Greg is a lion. It is highly unlikely that if Sandra left the football, and Fred discarded the milk, then Julius is a rhino. It is probably the case that if Fred discarded the milk, and Bernhard is green, then Brian is a lion.
hypothesis: It is highly unlikely that greg is a lion, or Bernhard is green.
valid_hypothesis: There is a very good chance that greg is a lion, or Bernhard is green.
invalid_hypothesis: It is highly unlikely that greg is a lion, or Bernhard is green.
hypothesis_assertion: Greg is a lion, or Bernhard is green.