#example of key word input format

1                                  #select option to define group

prime   2
class   3
output   1
generators   {x1, x2, x3}
relations   { x1^x2  * x3,   [x2, x1, x1],
              [x2 * [x2, x1] * x1^2, x1 * x2 ]} ;

#the semicolon is used to tell pq that all of the 
#necessary information for the presentation is supplied 

0 #exit
