Task: Question Generation
Input (English): Context: He 'd made himself a makeshift sling out of some old linens from his parent 's closet . He left his house , not bothering to shut the door , and began to walk north towards the hills that bordered the city . He 'd stay there until the planet devoured itself . He 'd stay there until there was nothing left .
Output (English): What 's a possible reason he left his house ?