Two men are sitting together and one is reading a newspaper.
Two friends are sitting together
Two men sitting together does not imply they are friends
exists e2 e1 p1 x1 x2 x3.(Theme(e2,x3) & Actor(e2,x2) & v_read(e2) & n_newspaper(x3) & n_thing(x2) & card_eq_1(x2) & exists s1.(Theme(s1,x1) & a_together(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_sit(e1) & n_man(x1) & card_eq_2(x1))
exists e1 s1 x1.(a_together(s1) & Manner(e1,s1) & Actor(e1,x1) & v_sit(e1) & n_friend(x1) & card_eq_2(x1))