A blond man is holding a map while sitting in a boat.
Everyone is in a train.
One cannot be on a boat and a train at the same time.
exists e1 e2 s1 x1 x2 x3.(while(e1,e2) & in(e2,x3) & n_boat(x3) & Actor(e2,x1) & v_sit(e2) & Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_map(x2) & n_man(x1) & a_blond(s1) & Theme(s1,x1))
all x1.(n_person(x1) -> exists p1 x2.(in(x1,x2) & n_train(x2)))