Given the stream of consciousness rationale, provide a reasonable question and answer. Rationale: The young couple is a couple and they being sharing a humorous joke while traveling on the coach bus means in a relationship with each other.
 The question and answer:
Premise: "The young couple share a humorous joke while traveling on the coach bus."
Based on this premise, can we conclude that the hypothesis "The couple are in a relationship with each other." is true?
Options:
- yes
- it is not possible to tell
- no
The answer is yes