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 holding a book, does it logically follow that 'The person has a book'? Some delayed response lakes may take over 20 years to fully change. Is this sentence entailed by the sentence: Direct response lakes or streams manifest changes more quickly, whereas delayed response lakes or streams manifest changes over a longer period of time?
yes
yes
it is not possible to tell