Two teenage girls are texting in the park.
The two girls have cell phones.
girls are texting implies that they have cell phones.
exists e1 s1 x1 x2.(n_park(x2) & in(e1,x2) & Actor(e1,x1) & v_text(e1) & n_girl(x1) & a_teenage(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(n_girl(x1) & card_eq_2(x1) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_phone(x2) & of(x2,x3) & n_cell(x3))