You will be given a definition of a task first, then some input of the task.
In this task, you're given a context passage. Your job is to generate relevant questions that can be answered by directly referring to the passage.

Looks like one of the routes stops a mile and a half from home . That's about 10 minutes by bike . The bus driver showed me how to use the bus carrier . Mileage : 10.6 miles total , time spent about ... 2 hours , though it was almost 4 hours from leaving to returning home .
Output:
Why did the bus driver show me how to use the bus carrier ?