The conversation between human and AI assistant.
[|Human|] In three sentences, describe the main theme of the following story.
[|AI|] The main theme of the story is the pursuit of adventure and exploration, as the group of friends set out to discover the secrets and wonders of the mysterious island. There is also a theme of friendship, as the shared experience of this adventure brings the group closer together. The story may also explore themes of facing challenges and overcoming obstacles, as the group encounters various challenges on their journey.
[|Human|] 
In three sentences, describe the main theme of the following story.