A man with a strange helmet is sitting on top of a blue motorcycle .
It is highly unlikely that an old man with a helmet is sitting on top of a motorcycle staring at the sky .
It is highly unlikely that an old man with a helmet is sitting on top of a motorcycle staring at the sky .
It is certain that an old man with a helmet is sitting on top of a motorcycle staring at the sky .
An old man with a helmet is sitting on top of a motorcycle staring at the sky .