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. A man is walking down the street, wearing a suit and holding a briefcase. He is not smiling and looks serious. If a sentence is grammatically correct but its meaning is opposite of what the speaker intended, can we conclude that the sentence is semantically correct? If a museum has a good lighting system, then is it true that the lighting is bad and limited?
yes
it is not possible to tell
no
no