A man with a blue shirt and white shorts prepares a charcoal barbecue while two other men look on .
Nobody has a shirt
A man with a blue shirt and white shorts prepares a charcoal barbecue while two other men look on.
Nobody has a shirt
If nobody has a shirt then there are no man with a blue shirt and white shorts.
If nobody has a shirt then there are no man with a blue shirt and white shorts .