Two boys wearing swim caps are in a swimming pool.
Two boys are sitting at a table eating lunch.
The boys cannot be both eating lunch and in the swimming pool.
exists e1 p1 x1 x2 x3 x4.(exists x5 x6.(in(x1,x5) & n_pool(x5) & of(x5,x6) & n_swimming(x6)) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_cap(x3) & of(x3,x4) & n_swim(x4) & (x1 = x2) & n_boy(x1) & card_eq_2(x1))
exists e1 x1 x2 x3 x4.(at(e1,x2) & n_lunch(x2) & of(x2,x4) & n_eating(x4) & of(x2,x3) & n_table(x3) & Actor(e1,x1) & v_sit(e1) & n_boy(x1) & card_eq_2(x1))