An elderly man with a long gray beard is playing his flute while sitting on the ground .
There is a very good chance that an elderly man with a long gray beard is playing a flute while sitting on the ground in a park .
There is a very good chance that an elderly man with a long gray beard is playing a flute while sitting on the ground in a park .
Chances are slight that an elderly man with a long gray beard is playing a flute while sitting on the ground in a park .
An elderly man with a long gray beard is playing a flute while sitting on the ground in a park .