Three people are canoeing in a body of water.
The three people are all canoeing in their own boat.
A body of water doesn't mean their own boat.
exists e1 x1 x2 x3.(in(e1,x2) & of(x2,x3) & n_water(x3) & n_body(x2) & Actor(e1,x1) & v_canoe(e1) & n_people(x1) & card_eq_3(x1))
exists e1 s1 s2 x1 x2.(n_boat(x2) & a_own(s1) & Theme(s1,x2) & of(x2,x1) & n_thing(x1) & n_people(x1) & card_eq_3(x1) & a_all(s2) & Manner(e1,s2) & in(e1,x2) & Actor(e1,x1) & v_canoe(e1))