Initial line:       21112,/vol/voly,blx
Negated class:      21112,/vol/volyblx
Negative assertion: 21112,/vol/volyblx
----------------------------------------
Initial line:       21113,/vol/eng,blz
Negated class:      21113,/vol/engblz
Negative assertion: 21113,/vol/engblz
----------------------------------------
Initial line:       21114,/vol/eng,file
Negated class:      21114,/vol/engfile
Negative assertion: 21114,/vol/engfile
----------------------------------------