In this task, You are given an open-domain question that can be answered based on factual information. Your task is to provide \*short\* answer (in a few words only) for the given question. The short answer can be one or more entities or it can also be boolean \*yes\* or \*no\*.

how did kurtz die in the heart of darkness
jungle fever

who has the most rbi's in one game
Hack Wilson

the calculation of the poverty line is based on

ICP purchasing power parity