Which is not a main built-in search mechanisms ?

A. dialog-based डयलॉग -बेस्ट

B. dialog-free डयलॉग-फ्री

C. Incremerntal Search इंक्रीमेंटल सर्च

D. Decremental Search डेक्रेमेंटल सर्च

Correct Answer is :

B. dialog-free