(A) - (III) "laudable" → His praiseworthy/commendable efforts (laudable = deserving praise)
(B) - (IV) "palate" → Refined sense of taste for wine (palate = taste sense)
(C) - (I) "laudatory" → Comments expressing praise (laudatory = expressing praise/commendation)
(D) - (II) "palette" → Artist's color board with vibrant hues (palette = board for mixing colors)
Hence, Option 4: (A) - (III), (B) - (IV), (C) - (I), (D) - (II) → The key distinctions are: "laudable" describes something deserving praise while "laudatory" describes something that expresses praise; "palate" refers to taste sensation while "palette" refers to an artist's color board → correct