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. The sun is shining brightly in the clear blue sky. A surfer wearing blue which also has a blue surfboard is riding the waves. If there are no waves, it is not possible to conclude that the surfer is riding the waves. Premise: A person is in a room. Hypothesis: The person is in a room. Can we conclude the hypothesis?
yes
it is not possible to tell
no
yes