Given the rationale, provide a reasonable question and answer. Step-by-step reasoning process: Because the two bikers are beside each other does not mean they are friends.
 The question and answer:
Given the sentence "A leather clad biker wearing face-paint sits on his motorcycle next to another biker who is standing beside his bike on a city street." can we conclude that "The bikers are friends."?
Options:
- yes
- it is not possible to tell
- no
The answer is it is not possible to tell