What are three of the difficulties that Farquhar seems to overcome while he is in the stream?
First he manages to get his wrists untied. Then he claws the rope away from his neck. He fights his way to the surface and bursts out of the water breathing in great gulps of air. He then finds he must then dive deep down into the stream to avoid being shot. Once again he fights his way to the surface and emerges downstream and continues to swim along with the current in his apparent attempt at escape.
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