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

Ex Output:
great-circle distance


Ex Input:
who plays henry on when calls the heart

Ex Output:
Martin Cummins


Ex Input:
who played davy jones in the pirates of the caribbean

Ex Output:

Bill Nighy