The draft regulation on rail traffic safety issued by Beijing municipality in February 2014 banned eating and drinking in subway carriages, and said offenders could be fined up to 500 yuan ($ 80). The heated debate sparked by the proposed move has been revived after the removal of the ban clause from the revised draft. Should eating be banned on subways？ What is your opinion？ Write a composition of about 200 words on the following topic: Should Eating Be Banned on Subways？