Directions: In the question given below there are four words denoted by (A), (B), (C), & (D). Two of them are either similar in meaning (Synonyms) or opposite in meaning (Antonyms). Find out the pair of Synonyms or Antonyms denoted by AB, AC, AD, etc. and mark your answer accordingly.

(A) Irresponsible (B) Ambitious
(C) Unmotivated (D) Dependence