context: It is probable that Bernhard is green. It is likely that Yann is tired. It is impossible that Jeff went to the kitchen. There is little chance that if Yann is tired, or Bernhard is green, then Brian is white. It is highly unlikely that if either Bernhard is green, or Yann is tired, then Daniel left the football. It is probable that if Jeff went to the kitchen, and Yann is tired, then Greg is yellow.
hypothesis: It is impossible that greg is yellow, and Jeff went to the kitchen.
valid_hypothesis: It is impossible that greg is yellow, and Jeff went to the kitchen.
invalid_hypothesis: It is probable that greg is yellow, and Jeff went to the kitchen.
hypothesis_assertion: Greg is yellow, and Jeff went to the kitchen.