Question 2(4+2+4) Consider the following Prolog database: generate( []. [0]). generate( [First | Rest]. [ NewFirst | NewRest] ) : substitute( First, NewFirst ), generate( Rest, NewRest ). generate([_|Rest], NewRest) :- generate( Rest, NewRest). substitute(a,8). substitute(c, 6). substitute (9,4). substitute( t,2). 2a. What is the value of Answer returned by the following queries: - generate( [c,t], Answer )