Four people in scuba outfits and goggles are sitting underwater.
Four people are jumping in midair.
People can't sit underwater and jump in midair simultaneously.
exists e1 x1 x2 x3 x4 x5 x6.(Time(e1,x6) & n_underwater(x6) & Actor(e1,x1) & v_sit(e1) & in(x1,x2) & subset_of(x5,x2) & n_goggles(x5) & subset_of(x3,x2) & n_outfit(x3) & of(x3,x4) & n_scuba(x4) & n_people(x1) & card_eq_4(x1))
exists e1 x1 x2.(in(e1,x2) & n_midair(x2) & Actor(e1,x1) & v_jump(e1) & n_people(x1) & card_eq_4(x1))