I am sitting in a railway carriage

A woman and her child are sitting by the window

She asks if she may swop seats as the sun is hot

I agree without hesitation and ventilate the carriage further

The woman and her child alight from the train at the next station

I know that I will never see the woman or her child again

But am aware that her son will assassinate our King in twenty years time

Which will start a revolution that will claim many innocent lives