Task: Question Answering
Input (English): Passage: Certified email -- Certified email is a kind of email whose sending is certified by a neutral third-party, analogous to registered mail. A certified email aims to guarantee the same legal validity as a certified mail. For each certified email, the government will guarantee the legal validity with a delivery receipt that will be given to the sender. The receiver will be able to verify the mail using a legally signed delivery receipt. Certified mail aims to reduce postal costs and difficulties.
Question: is there such a thing as certified email
Output (English): 1