Answer: character vs character
Explanation:
In literature, it should be known that character vs. character conflict, is when there is a conflict between two characters. The conflict can result into a physical altercation or can also result in differences between the characters.
Since Jill and Naomi are best friends, but they aren't speaking, then this is a character vs character conflict.
Cave is a smaller section of a cavern. A song is a smaller part of a tune. Therefore, one is the bigger picture (second section) and the other is the smaller picture (first one) Hope this helps!