(a) The answer shall include a statement of the nature and extent of the interest the defendant claims in the property described in the complaint.
(b) If the defendant seeks compensation provided in Article 6 (commencing with Section 1263.510) (goodwill) of Chapter 9, the answer shall include a statement that the defendant claims compensation under Section 1263.510, but the answer need not specify the amount of that compensation.
(c) If the defendant seeks compensation as provided in Article 1 (commencing with Section 1245.010) of Chapter 4, the answer shall include a statement that the defendant claims compensation under Section 1245.060, but need not specify the amount of that compensation.
(d) If the defendant seeks compensation for losses caused by the plaintiff’s unreasonable conduct prior to commencing the eminent domain proceeding, the answer shall include a statement that the defendant claims compensation for that loss, but need not specify the amount of the compensation.