Definition: In this task, you need to generate an appropriate title for the given summary of some paragraph. The generated title must be short and should include the main topic of the given text. Your summary should be less than 20 words long.
Input: Prisoners can buy the drug Spice at half the price of ­tobacco after a smoking ban in jail, a report says.

HMP Erlestoke: Tobacco 'twice as much as Spice' report finds