Philadelphia Free Press was a 1960s era underground newspaper published biweekly in Philadelphia, Pennsylvania from 1968 to 1972. Originally launched at Temple University in May 1968 as the monthly "Temple Free Press", it separated from Temple and became the "Philadelphia Free Press" in September 1968.

Can we draw the following conclusion?
Philadelphia Free Press was a 1960s era underground newspaper published biweekly in Philadelphia, Pennsylvania and it ran for 4 years.

pick from the following.
 a). Yes;
 b). It's impossible to say;
 c). No;
a).