Four boys look at the basketball hoop, which is missing the netting.
Four boys are wondering who stole the netting.
Just because the net is missing does not necessarily mean someone stole the netting.
exists e1 e2 x1 x2 x3 x4 x5.(n_netting(x5) & n_hoop(x2) & of(x2,x3) & n_basketball(x3) & at(e1,x2) & Theme(e2,x5) & Actor(e2,x4) & v_miss(e2) & (x2 = x4) & Actor(e1,x1) & v_look(e1) & n_boy(x1) & card_eq_4(x1))
exists e1 e2 x1 x2 x3.(n_netting(x3) & Topic(e1,e2) & Theme(e2,x3) & Actor(e2,x2) & v_steal(e2) & n_person(x2) & Actor(e1,x1) & v_wonder(e1) & n_boy(x1) & card_eq_4(x1))