Student: Given the sentence "A man wearing a green canvas hat with a distnat city in the background." is it true that "A man leaves the city."?.
Teacher: Let's think:

The city is in the background does not mean the man leaves the city. So the final answer is it is not possible to tell.
Student: Given the sentence "A man wearing a green canvas hat with a distnat city in the background." is it true that "A man leaves the city."?.
Teacher: Let's think:

user
The city is in the background does not mean the man leaves the city. So the final answer is it is not possible to tell.
assistant
Student: Given the sentence "A man wearing a green canvas hat with a distnat city in the background." is it true that "A man leaves the city."?.
Teacher: Let's think:

The city is in the background does not mean the man leaves the city. So the final answer is it is not possible to tell.