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 1992 donations failed to reveal their sources, but it's been revealed that the source was a student. Can we conclude that the hypothesis 'None of the 1992 donations failed, since it has been revealed that the source was a philanthropist millionaire' is true? If He'd never have dared to say so., can we conclude that 'He would have said so anytime of the day.'? A man is walking his dog. The dog is wearing a collar with a shiny name tag. The name tag has the dog's name written on it. The man is holding a leash in his hand. The leash is attached to the dog's collar. The man is smiling and looking at the dog.
yes
no
no
yes