She sits alone on the city bus while a man reads his newspaper behind her.
The girl sits next to her two friends.
One cannot be sitting alone when her two friends are next to her.
exists e1 p1 s1 x1 x2 x3 x5.(n_female(x1) & n_female(x1) & n_newspaper(x5) & of(x5,x2) & n_male(x2) & n_bus(x2) & of(x2,x3) & n_city(x3) & exists e2 x4.(Theme(e2,x5) & Actor(e2,x4) & v_read(e2) & behind(x5,x1) & n_man(x4)) & while(e1,p1) & on(e1,x2) & a_alone(s1) & Manner(e1,s1) & Actor(e1,x1) & v_sit(e1))
exists e1 x1 x2.(n_friend(x2) & card_eq_2(x2) & of(x2,x1) & n_female(x1) & n_girl(x1) & to(e1,x2) & r_next(e1) & Actor(e1,x1) & v_sit(e1))