Two men on a blue canoe in the middle of a large body of water.
Two men are going rafting.
In the middle of water does not imply going rafting.
exists s1 s2 x1 x2 x3 x4 x5.(n_middle(x3) & a_topic(x1) & on(x1,x2) & in(x2,x3) & of(x3,x4) & of(x4,x5) & n_water(x5) & n_body(x4) & a_large(s2) & Theme(s2,x4) & n_canoe(x2) & a_blue(s1) & Theme(s1,x2) & n_man(x1) & card_eq_2(x1))
exists e2 e1 x1.(for(e1,e2) & Actor(e2,x1) & v_raft(e2) & Actor(e1,x1) & v_go(e1) & n_man(x1) & card_eq_2(x1))