sem_sort( telephone, domain ).

sem_sort( vcr, domain ).



				%actions

sem_sort( top, action ).

sem_sort( tp_phoneCall, action ).

sem_sort( tp_divertCall, action ).

sem_sort( tp_cancelDivert, action ).

sem_sort( tp_conferenceCall, action ).



sem_sort( change_language, action ).

sem_sort( change_domain, action ).



sem_sort( luis,name ).

sem_sort( juan,name ).	





isa(destination,name).

isa(divert_to,name).

isa(first_person,name).

isa(second_person,name).