``` $ cat blah.pwf B 5 L 2 R 1 P VB *<vblex><*> P NN *<n><*> P DT *<det><*> W -1:DT 0:NN 5.2 $ src/apertium-compile-selector blah.pwf blah.bin $ echo '^the/the<det><def>$ ^run/run<vblex><pres>/run<n><sg>$' | src/apertium-selector blah.bin ^the/the<det><def>$ ^run/run<n><sg>$ ```