The young man wearing a blue sweatshirt and blue jeans hopping over the railing on the fence does not necessarily save the young girl from drowning in the pool.


Context: "The young man wearing a blue sweatshirt and blue jeans is hopping over the railing on the fence."
Hypothesis: The young man is hopping over the railing to save the young girl from drowning in the pool.
Based on the context, is the hypothesis true, false, or unknown?