The following rules implement a next-to relation that finds adjacent elements of alist:(rule (?x…

The following rules implement a next-to relation that finds adjacent elements of alist:

(rule (?x next-to ?y in (?x ?y . ?u)))

(rule (?x next-to ?y in (?v . ?z))

(?x next-to ?y in ?z))

What will the response be to the following queries?

(?x next-to ?y in (1 (2 3) 4))

(?x next-to 1 in (2 1 3 1))