context: There is almost no chance that Greg is a rhino. It is probable that Mary went to the kitchen. It is certain that Bernhard is a frog.
hypothesis: There is almost no chance that greg is a rhino, and Mary went to the kitchen.
valid_hypothesis: There is almost no chance that greg is a rhino, and Mary went to the kitchen.
invalid_hypothesis: We believe that greg is a rhino, and Mary went to the kitchen.
hypothesis_assertion: Greg is a rhino, and Mary went to the kitchen.