Either the man is wearing a gray or black shirt.  Either the man is staring or waving at a man and a woman.  The man and a woman can either be walking away or towards him .


Given the statement "The man in the gray shirt is staring at a man and a woman that are walking away from him.", what is the statement "A man in the black shirt is waving at a man and a woman that are walking towards him." true?
- Yes
- No
- Unknown