Three people gathered on large balcony.
Four people gathered on large balcony.
Three is less than four.
exists e1 s1 x1 x2.(on(e1,x2) & n_balcony(x2) & a_large(s1) & Theme(s1,x2) & Actor(e1,x1) & v_gather(e1) & n_people(x1) & card_eq_3(x1))
exists e1 s1 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_balcony(x3) & a_large(s1) & Theme(s1,x3) & Theme(e1,x2) & v_gather(e1) & (x1 = x2) & n_people(x1) & card_eq_4(x1))