A middle-aged man talking to his daughter and playing with his grandchild .
It is highly likely that the old man glanced at the children playing in the part , and lamented the fact he had never married or had children .
It is impossible that the old man glanced at the children playing in the part , and lamented the fact he had never married or had children .
It is highly likely that the old man glanced at the children playing in the part , and lamented the fact he had never married or had children .
The old man glanced at the children playing in the part , and lamented the fact he had never married or had children .