Student: Given the sentence "A family is at the beach with a sailboat." is it true that "A family is on a trip around the world in a sailboat."?.
Teacher: Let's think:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
The family does not have to be on a trip around the world in a sailboat to be at the beach with a sailaboat. So the final answer is it is not possible to tell.