(a) The answer shall be verified and shall set forth:
(1) Any claim the defendant has.
(2) Any facts tending to controvert such material allegations of the complaint as the defendant does not wish to be taken as true.
(3) A statement of any new matter constituting a defense.
(b) If the defendant disclaims in the answer any claim, or suffers judgment to be taken without answer, the plaintiff shall not recover costs.