Given the task definition and input, reply with output. In this task, you're given an article and an answer. Your task is to generate the fill-in-the-blank question for this answer based on the given article. The blanks are always at the end of the question, and can be filled with more than one word or phrase.

Article: There are three main forms of public transport in Singapore--trains,buses and taxis. TRAINS Trains run from 6:00 am to midnight. Single trip tickets start at 80 cents. If you buy an EZ-Link card for $ 15,you can ride the trains and buses as you like. If you need more infor-mation, just call Train Station at 6222 5165. BUSES There are several bus services in Singapore and fares start at 80 cents. Be sure always to ask the driver the cost of your ticket as he can't give change. If you need help,just call Tran-sit Link at 1800 767 4333. TAXIS There are three main taxi companies--City Cab (6552 2222),Comfort (6552 1111) and Tibs (6552 8888). Booking can also be easy by calling the numbers listed above. RENTAL CARS Driving in Singapore is a pleasure and if you like to travel at your own pace,renting a car is a good choice.Renting takes away the hassle of getting to places around Singapore.Just sit back and enjoy the city. It also means you'll get to see a lot more that a train or a bus won't let you see. For car rental? call Avis at + 65 6737 1668.
Answer: both buses and trains
With an EZ-Link card, you can take_.