Two men and a woman are laughing about trying to knit at a party .
The people are at a birthday party .
Two men and a woman are laughing about trying to knit at a party.
The people are at a birthday party.
These people are definitely at a party of some sort, but we cannot conclude if it is someone's birthday party.
These people are definitely at a party of some sort , but we can not conclude if it is someone 's birthday party .