A. Determine whether reviews entered on a website for a concert are positive or negative, and then add a thumbs up or thumbs down emoji to the reviews.

B. From a website interface, answer common questions about scheduled events and ticket purchases for a music festival.

C. Accept questions through email, and then route the email messages to the correct person based on the content of the message.

D. Translate into English questions entered by customers at a kiosk so that the appropriate person can call the customers back.