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: About 700 people survived an attack by gunmen on a compound of offices and a hotel in Kenya's capital. The siege, which began at 15:00 local time on Tuesday, lasted 19 hours.

Nairobi hotel: 'How we survived DusitD2 siege'