A man in a red shirt is standing next to a woman in a blue dress. They are both holding hands and smiling at each other. If I don't know if every citizen does or not but just you having lived in Houston you know what it's like out there, can we conclude that 'I know that none of them do that.'? Three people posing by a brick wall giving signs to the camera. Is the premise true if 'three people are sleeping'?
yes
no
no