context: Two people are walking through a path with branches from neighboring trees overhead.
hypothesis: It is impossible that two people are following a path outside that their grandfather paved 100 years ago.
valid_hypothesis: It is impossible that two people are following a path outside that their grandfather paved 100 years ago.
invalid_hypothesis: It is likely that two people are following a path outside that their grandfather paved 100 years ago.
hypothesis_assertion: Two people are following a path outside that their grandfather paved 100 years ago.