The tourists are out on the river in Italy, the man in the black and white striped shirt will tell them about the seine.
Tourists are swimming in the water with their coach.
if they are on the river they are in a boat and not swimming in the water.
exists e1 p1 s1 s2 s3 s4 x1 x2 x3 x4 x5 x6.(n_seine(x5) & n_thing(x1) & n_shirt(x4) & a_striped(s4) & Theme(s4,x4) & a_white(s3) & Theme(s3,x4) & a_black(s2) & Theme(s2,x4) & n_man(x3) & ne_geo_italy(x2) & n_river(x6) & n_tourist(x1) & about(e1,x5) & Theme(e1,x1) & Actor(e1,x3) & v_tell(e1) & in(x3,x4) & in(p1,x2) & a_out(s1) & Manner(p1,s1) & on(x1,x6))
exists e1 x1 x2 x3.(n_water(x2) & n_coach(x3) & of(x3,x2) & n_thing(x2) & in(e1,x2) & with(e1,x3) & Actor(e1,x1) & v_swim(e1) & n_tourist(x1))