A man wearing a life jacket uses a map while on a small boat.
The man is in his own bathtub.
A man cannot be in a small boat and in his own bathtub at the same time.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6.(on(e2,x6) & n_boat(x6) & a_small(s1) & Theme(s1,x6) & r_while(e2) & Theme(e2,x5) & Actor(e2,x1) & v_use(e2) & n_map(x5) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_jacket(x3) & of(x3,x4) & n_life(x4) & (x1 = x2) & n_man(x1))
exists p1 s1 x1 x2.(n_bathtub(x2) & a_own(s1) & Theme(s1,x2) & of(x2,x1) & n_male(x1) & n_man(x1) & in(x1,x2))