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 Q]: who is the longest serving director of isro
[EX A]: Dhawan, Satish

[EX Q]: when did trinidad and tobago become an independent nation
[EX A]: 1962

[EX Q]: what is the first book of pretty little liars
[EX A]:
Pretty Little Liars