An elderly man in a blue jacket sits with others on a boat.
A man is sitting on a boat in China.
The elderly mans boat doesn't give a location, he could be anywhere besides China.
exists e1 s1 s2 x1 x2 x3 x4.(on(e1,x4) & n_boat(x4) & with(e1,x3) & -(x3 = x1) & n_person(x1) & n_person(x3) & Actor(e1,x1) & v_sit(e1) & in(x1,x2) & n_jacket(x2) & a_blue(s2) & Theme(s2,x2) & n_man(x1) & a_elderly(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(ne_geo_china(x3) & on(e1,x2) & in(x2,x3) & n_boat(x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1))