Context: There are also several people she knows in the class , although Brianna ( who basically only joined youth group because Casey was in it ) did n't end up in the same class . Oh well . So , the evening always starts with mass at 6 . Last year we were always late because I did n't get off work early enough . This year my schedule is a lot earlier * , so we COULD get there on time .

Question: Why would Brianna only join Youth Group because Casey was in it ?
Options:
0. None of the above choices .
1. Because the evening always starts with mass at 6 .
2. Because Brianna likes Casey .
3. Because last year they were always late because they did n't get off work early enough .
Answer: 2