sentences: as the sink of sound becomes nearer , that sink of sound will appear brighter
docs: falling_water is peaceful_sound_and_very_relaxing. sound is hear. air is lighter_than_water. dissonance is sound. strait is sound. when_food is cooked_becomes_darker_in_appearance. thunder is loud_sound. piano_sounds_better_when is in_tune. woodwind_tend_to has higher_clearer_sounds_than_brass lit_candle is brighter_than_unlit_candle.