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\*.

Ex Input:
what is used in measuring the direction of the wind

Ex Output:
Windsock


Ex Input:
the shortest distance between two points on the earth's surface is

Ex Output:
great-circle distance


Ex Input:
when did the first tim hortons open in the usa

Ex Output:

1981