A girl is sitting on the ground talking on a phone.
A person is sitting on the ground talking on a phone.
A girl is a person.
exists e1 e2 x1 x2 x3 x4.(n_ground(x2) & on(e1,x2) & on(e2,x4) & n_phone(x4) & Actor(e2,x3) & v_talk(e2) & (x2 = x3) & Actor(e1,x1) & v_sit(e1) & n_girl(x1))
exists e1 e2 x1 x2 x3 x4.(n_ground(x2) & on(e1,x2) & on(e2,x4) & n_phone(x4) & Actor(e2,x3) & v_talk(e2) & (x2 = x3) & Actor(e1,x1) & v_sit(e1) & n_person(x1))