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 sentence is written in a book: 'The sun is shining brightly in the clear blue sky.' A group of people are using their new smartphones. If a group of people are using their new smartphones, does it logically follow that the smartphones are controlling the people? If a person is wearing a red shirt, and another person is wearing a blue shirt, does it logically follow that a person wearing a green shirt exists?
yes
yes
no
it is not possible to tell