premise: It was as if they realised that she was not for the rough and tumble of this world, like the aggressive women with shaggy hair styles who pushed their way through life thrusting their hard shopping baskets at defenceless men. The man who had offered the seat had seen Ianthe as a tall fragile-looking woman in a pretty blue hat that matched her eyes. He might also have noticed that her dark hair was touched with grey and that although she was not exactly smart there was a kind of elegance about her.
hypothesis: Ianthe's dark hair was touched with grey