Sentence:The [e1]narrative[/e1] comprises the [e2]interplay[/e2] of two themes that are woven together as it criss-crosses back and forth between the life of nineteen year old Greg Kowalski's desire to become a firefighter and his heart-rending life growing up in Saginaw Michigan where he had to endure the physical and verbal abuse handed out by his appalling father.
 e1: narrative. 
 e2 : interplay.
Answer: Other