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: It would be 'illegal' for UK ministers to levy the Severn toll beyond around 2019, a UKIP AM has claimed.

UKIP AM questions legality of Severn toll after 2019