I believe the correct answer would be true
Person against person
This is the most common type of conflict both in fiction and in life, and it can form the basis of the main conflict in your novel. Alternately, you might have a series of smaller person against person conflicts that may or may not be part of the larger conflict.
Pretty sure she dropped and poured paint onto a canvas, because she used oil paints and when she diluted them it strongly resembled watercolours.
Hope this is right hun.