Two men are using phone-booths that are located shortly outside of the downtown area of a city , by some trees .
It is improbable that a few men using phone booths to call for a cab .
There is a better than even chance that a few men using phone booths to call for a cab .
It is improbable that a few men using phone booths to call for a cab .
A few men using phone booths to call for a cab .