Instructions: Given a text, write a compressed version of it in a single sentence.
Input: Virtually all profitable routes in Italy are urban. In the U.S., only about half of the routes served by city carriers are profitable while three quarters of the routes served by rural carriers are profitable.
Output:
Virtually profitable routes in Italy are urban. Half of routes in U.S served by city carriers are profitable while 1/3 routes served by rural are profitable.