Match the clinical sign with the correct dermatological condition and select the correctly matched pair(s):
(i) Positive Nikolsky sign - Pemphigus vulgaris
(ii) Negative/absent Nikolsky sign - Bullous pemphigoid
(iii) Pseudo-Nikolsky sign - Stevens-Johnson syndrome / Toxic epidermal necrolysis
(iv) Cerebriform tongue - Pemphigus vegetans