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: A US appeals court has overturned the death sentence given to Dzhokhar Tsarnaev for the deadly bombing attack at the 2013 Boston Marathon.

Boston Marathon bombing: Dzhokhar Tsarnaev's death sentence overturned