A man in a green shirt and red life jacket is sitting in a canoe drifting around the lake.
A man is fishing in a canoe.
Sitting in a canoe does not imply fishing.
exists e1 e2 s1 s2 x1 x2 x3 x4 x5 x6 x7.(n_lake(x7) & for(e1,e2) & around(e2,x7) & Actor(e2,x1) & v_drift(e2) & in(e1,x6) & n_canoe(x6) & Actor(e1,x1) & v_sit(e1) & in(x1,x2) & n_jacket(x4) & of(x4,x5) & n_life(x5) & a_red(s2) & Theme(s2,x4) & n_shirt(x3) & a_green(s1) & Theme(s1,x3) & subset_of(x4,x2) & subset_of(x3,x2) & n_man(x1))
exists e1 x1 x2.(in(e1,x2) & n_canoe(x2) & Actor(e1,x1) & v_fish(e1) & n_man(x1))