Which of the pair of words/ phrases, (1), (2), (3), and (4) given below should replace the words/ phrases given in bold in the following sentences, to make it grammatically meaningful and correct. If the sentence is correct as it is and no correction is required then mark option (5) as the answer.
He had an efficacy that he was the only one who could dismay the code.
1
a dejection, bemoan
2
an ambivalence, tend to
3
an inkling, decipher
4
an affluence, construe
5
No correction required