Complex sentence: As Clara falls unconscious from exhaustion, the stranger defends himself by stating that his actions were done "in the name of peace and sanity", to which the Doctor replies angrily that they were not done "in the name of the Doctor".
Split into simpler sentences: As Clara falls unconscious from exhaustion, the stranger defends himself by claiming that his actions were done "in the name of peace and sanity". The Doctor angrily replies that they were not done "in the name of the Doctor".