Question and answer: Q: Given the sentence "A shirtless man pulls back on his bike handlebars to do a wheelie on his bike." is it true that "The man is riding through the park."?
A: it is not possible to tell
Explanation: A shirtless man pulls back on his bike handlebars to do a wheelie on his bike is not necessarily doing it in a park.

Question and answer: Q: Given the sentence "A monk is looking at various cheeses on a table." is it true that "The cheese spilled onto the floor."?
A: no
Explanation: Various cheeses implies more than one kind whereas the cheese implies one kind of cheese. A table is a very different surface than floor.

Question and answer: Q: If "An elderly man is standing outside at night." does that mean that "A man is outside at night."?
Options:
- yes
- it is not possible to tell
- no
A: yes
Explanation:
An elderly man can be commonly referred to as a man.