UK: Prince Charles arrived at Newcastle Central Station where he met LNER workers and representatives from the charity,

The video tutorial presents a problem where a family man is involved in a training scenario. The statement 'The training family man left on two is 4' is discussed, likely involving a mathematical or logical problem-solving context.

What can be inferred about the duration mentioned in the text?

Discuss the potential meanings of the phrase 'the training family man left'.