context: It is probably the case that Emily is a mouse. There is almost no chance that Mary moved to the garden. It is almost certain that Sandra put down the milk. It is probably the case that if Mary moved to the garden, and Sandra put down the milk, then Lily is a rhino. We doubt that if Sandra put down the milk, or Emily is a mouse, then Julius is yellow. There is little chance that if either Emily is a mouse, or Mary moved to the garden, then Greg is white.
hypothesis: Chances are slight that greg is white, or Mary moved to the garden.
valid_hypothesis: Chances are slight that greg is white, or Mary moved to the garden.
invalid_hypothesis: It is probably the case that greg is white, or Mary moved to the garden.
hypothesis_assertion: Greg is white, or Mary moved to the garden.