Student: Given the sentence "A middle eastern couple walking down the street." is it true that "A couple is crossing the street."?.
Teacher: Let's think:

The couple can be either walking down the street or crossing the street. So the final answer is no.
Student: Given the sentence "A middle eastern couple walking down the street." is it true that "A couple is crossing the street."?.
Teacher: Let's think:

user
The couple can be either walking down the street or crossing the street. So the final answer is no.
assistant
Student: Given the sentence "A middle eastern couple walking down the street." is it true that "A couple is crossing the street."?.
Teacher: Let's think:

The couple can be either walking down the street or crossing the street. So the final answer is no.