TASK DEFINITION: You are given a question title. You need to classify it into one of the 10 topics: 0 - 'Society & Culture', 1 - 'Science & Mathematics', 2 - 'Health', 3 - 'Education & Reference', 4 - 'Computers & Internet', 5 - 'Sports', 6 - 'Business & Finance', 7 - 'Entertainment & Music', 8 - 'Family & Relationships', 9 - 'Politics & Government'.
PROBLEM: does anyone have a spare hard disk they'd be willing to donate to me?

SOLUTION: 4

PROBLEM: Can I use 26" mountain bike rims for my cyclocross-frame bike?

SOLUTION: 5

PROBLEM: Where is the nearest US post office in Se 5th Ave, Portland?

SOLUTION:
9

