context: A skier slaloms by a red flag.
hypothesis: It is probably not the case that a skier slaloms by a red flag and viwed by public.
valid_hypothesis: It is probable that a skier slaloms by a red flag and viwed by public.
invalid_hypothesis: It is probably not the case that a skier slaloms by a red flag and viwed by public.
hypothesis_assertion: A skier slaloms by a red flag and viwed by public.