Task: Question Answering
Input (English): Context: There were people who had laid tarp on the muddy ground close to the stage to watch the concert . But everyone had to keep stepping over these people and their tarp to get closer . It was a bad spot for these people to set up to sit down . My aunt and uncle crashed at my place for the weekend , since they were seeing the concert too . 
Question: Why did their aunt and uncle stay the night at their place ?
Output (English): It was cheaper to stay with them than buy a hotel room .