context: A member of a Bergwacht team leads a sled laden with orange material while on skis as his colleague stands in the foreground.
hypothesis: There is a very good chance that a man is on on skis on the mountain.
valid_hypothesis: There is a very good chance that a man is on on skis on the mountain.
invalid_hypothesis: There is almost no chance that a man is on on skis on the mountain.
hypothesis_assertion: A man is on on skis on the mountain.