If it is possible to make a meaningful English word with the first, second and fourth letters of ARDENT and consonants from the word LAB (each letter should be used only once), the third letter of that word is your answer. If two English words can be formed, ‘M’ is your answer, if more than two words can be formed, your answer is ‘N’. If no such word can be formed, 'Z’ is your answer.
1) M
2) N
3) S
4) Z

Explanation

1