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\*.

Example Input: how many types of finch species are there
Example Output: about fifteen

Example Input: the head of the orthodox church in cyprus
Example Output: Chrysostomos II

Example Input: which city is hosting the 2017 mobile world congress (mwc)
Example Output:
Barcelona, Spain