Context: The young pastor talked some honest talk about serving the Lord and they loved it ! I attended some classes he taught to adults about teen culture . He has made it his business to stay up on video games , movies and trends so he can inform parents about things that their teens are doing which * sadly * they do n't know about .

Question: Why may the pastor have taught the classes ?
Options:
0. To inform parents about video games , movies , and trends .
1. To help them understand the business of videos and movies .
2. To prevent them from being sad about their teens .
3. To help parents understand their children better .
Answer: 3