A tour group takes tourists around in a boat.
The tour group is walking around a city.
How can they be walking around the city if they are on a boat
exists e1 s1 x1 x2 x3 x4.(in(e1,x4) & n_boat(x4) & a_around(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x1) & v_take(e1) & n_tourist(x3) & n_group(x1) & of(x1,x2) & n_tour(x2))
exists e1 x1 x2 x3.(n_group(x1) & of(x1,x2) & n_tour(x2) & around(e1,x3) & n_city(x3) & Actor(e1,x1) & v_walk(e1))