Four people are rowing in a canoe on a calm peaceful lake.
People row a canoe over large ocean waves.
A calm peaceful lake is definitely does not produce ocean waves.
exists e1 s1 s2 x1 x2 x3.(in(e1,x2) & on(x2,x3) & n_lake(x3) & a_peaceful(s2) & Theme(s2,x3) & a_calm(s1) & Theme(s1,x3) & n_canoe(x2) & Actor(e1,x1) & v_row(e1) & n_people(x1) & card_eq_4(x1))
exists e1 s1 x1 x2 x3 x4.(Theme(e1,x2) & Actor(e1,x1) & v_row(e1) & over(x2,x3) & n_wave(x3) & of(x3,x4) & n_ocean(x4) & a_large(s1) & Theme(s1,x3) & n_canoe(x2) & n_people(x1))