Context: I had a ball watching this movie . I was humming in my head to all the beats and song . I had no idea I know about ABBA songs so much ! If you 're a musical fan , then this movie is for you .

Question: Why did the writer have a ball watching this movie ?
Options:
0. Because they know about Abba .
1. None of the above choices .
2. Because they really enjoyed it .
3. Because they had no idea they know about Abba songs .
Answer: 2