Question and answer: Q: Given the sentence "Some people are standing outside at a sidewalk book sale." is it true that "A bookstore is selling remaindered books outside."?
A: it is not possible to tell
Explanation: A store having a sidewalk book sale doesn't mean they are selling remaindered books.

Question and answer: Q: Given the sentence "A man carries two bundles on a pole balanced over his shoulder while walking down a staircase in the fog." can we conclude that "A man is carrying two bundles."?
Options:
- yes
- it is not possible to tell
- no
A: yes
Explanation: Carries two bundles on a pole balanced over his shoulder' is an elaborate way of saying carrying two bundles.

Question and answer: Q: If "A man in a suit standing behind a podium lectures to a group of people sitting at tables." does that mean that "The man is standing behind a podium."?
Options:
- yes
- it is not possible to tell
- no
A: yes
Explanation:
A man standing behind a podium is a man standing behind a podium.