A gray-haired man rides a bike in front of a bus advertising Ironman.
An older man rides his bike and is almost hit by a bus because he is looking at the Ironman poster.
we cannot determine the age of the person, it is unknown if he was almost hit by the bus because he is looking at the advertisement.
Just because a man rides his bike it does not mean he is almost hit by a bus or he is looking at the Ironman poster.
Just because a man rides a bike in front of a bus does not mean he is almost hit by the bus or he was looking at the Ironman poster.