How will 'COMEDY' be coded in a certain code language ? I. In the code language each vowel in the word is changed to the next letter in the English alphabetical series. II. In the code language each consonant in the word is changed to the previous letter in the English alphabetical series.

Data sufficiency questions are designed to check your ability to analyse & categorise information based on underlying concepts rather than calculations. So you should try to observe -  analyse and to find linkages between various statements rather soing lengthy calculations.