Question and answer: Q: If "Doctors are performing surgery." does that mean that "The surgeons performed emergency surgery on the president."?
Options:
- yes
- it is not possible to tell
- no
A: it is not possible to tell
Explanation: The surgery may have been a scheduled elective surgery and not an emergency surgery.

Question and answer: Q: If "A child and two dogs play in the water." does that mean that "The dogs and child are enjoying each others company."?
Options:
- yes
- it is not possible to tell
- no
A: yes
Explanation: Two dogs and a child are enjoying each others company as they play in the water.

Question and answer: Q: Premise: "Group of people riding on a green roller coaster."
Hypothesis: "A group of men ride a roller coaster at islands of adventure."
Do we know that the hypothesis entailed by the premise?
A: it is not possible to tell
Explanation:
Not all people are men. Not all roller coasters are at islands of adventure.