A lady in a black dress is talking to a group of people .
A woman in a green dress talks to her dog .
A lady in a black dress is talking to a group of people.
A woman in a green dress talks to her dog.
A person cannot wear a black dress and a green dress simultaneously.  A person cannot talk to a dog and a group of people simultaneously.
A person can not wear a black dress and a green dress simultaneously . A person can not talk to a dog and a group of people simultaneously .