Answer:
Tone is and attitude toward the writer. It conveys through the choice of words, or the viewpoint of a particular subject. It can be formal or informal, serious, cheerful or sad.
Explanation
Last month, I hiked to the peak of a mountain. Next month, my best friend and her sister are going to visit that site too. It's a difficult trip, but it's worth it. They're going to have so much fun there! I hope I can go back again soon.
Relationships is the answer I believe
I hope this helps!