Match the compounds in LIST-I with the observations in LIST-II. List-I: (I) Aniline; (II) o-Cresol; (III) Cysteine; (IV) Caprolactam. List-II: (P) sodium fusion extract on boiling with FeSO₄ followed by acidification with conc. H₂SO₄ gives Prussian blue color; (Q) sodium fusion extract on treatment with sodium nitroprusside gives blood red color; (R) addition to saturated NaHCO₃ gives effervescence; (S) reaction with bromine water gives a white precipitate; (T) neutral FeCl₃ gives violet color.