Two people are sitting at a table outside of a building.
Two people are sitting eating lunch
You can sit at a table without eating lunch.
exists e1 x1 x2 x3 x4.(at(e1,x2) & of(x3,x4) & n_building(x4) & outside(x2,x3) & n_thing(x3) & n_table(x2) & Actor(e1,x1) & v_sit(e1) & n_people(x1) & card_eq_2(x1))
exists e1 p1 x1.(exists s1 x2.(Time(s1,x2) & n_lunch(x2) & Theme(s1,x1) & a_eating(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_sit(e1) & n_people(x1) & card_eq_2(x1))