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 a person is walking alone in the dark, does this mean that they are always walking alone in the dark? The sun is shining brightly in the clear blue sky. The weather forecast said it would be cloudy. If a company's profit increases by 10% and its expenses decrease by 5%, does it logically follow that the company's revenue increases by 5%?
yes
yes
no
yes