Two people in a large canoe surrounded by water.
Two women are in a canoe in the river
the fact that there are two people in a canoe does not imply that the canoe is in a river or that they are women.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & Actor(e1,x4) & n_water(x4) & Theme(e1,x3) & v_surround(e1) & (x2 = x3) & n_canoe(x2) & a_large(s1) & Theme(s1,x2) & n_people(x1) & card_eq_2(x1))
exists p1 x1 x3.(n_river(x3) & exists x2.(in(x1,x2) & in(x2,x3) & n_canoe(x2)) & n_woman(x1) & card_eq_2(x1))