Which public transport is the most efficient, Medellin's, Bogota's or Cartagena's ?
Medellin's is the most efficient
What mean of transportation is the fastest, the metro, the car or the bus?
The metro is the fastest
What animal is smaller, the cat or the dog?
The cat is smaller than the dog
What city is more crowded, New York or Medellin?
New york is more crowded than Medellin
Which parrot is the most colorful, the blue one, the white one or the yellow one?
The blue one is the most colorful
Which country is larger, Spain or Portugal?
Spain is larger than Portugal
What language is the hardest, French, Italian or Japanese?
Japanese is the hardest
Which cellphone is more expensive, the Iphone or the Xiaomi?
The iPhone is the most expensive
What animal is stronger, the horse or the dog?
The horse is stronger than the dog