| What is the main cause of global warming? | /r/n/r/n | 6 | /r/n
| What is suggested to buy for the kitchen and bathroom? | /r/n/r/n | 7 | /r/n
| What is suggested to save energy? | /r/n/r/n | 8 | /r/n
| What is the main reason for using public transportation? | /r/n/r/n | 9 | /r/n
| Why is it suggested to share a car? | /r/n/r/n | 10 | /r/n