context: A brown dog sniffing at the fence of a brown bull.
hypothesis: It is highly likely that the brown dog was looking intently at the bull on the other side.
valid_hypothesis: It is highly likely that the brown dog was looking intently at the bull on the other side.
invalid_hypothesis: There is little chance that the brown dog was looking intently at the bull on the other side.
hypothesis_assertion: The brown dog was looking intently at the bull on the other side.