People walking on a paved walkway near a sea port.
People are near a sea port.
the closest people can get to a sea port is by a walkway
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & on(e1,x3) & near(x3,x4) & n_port(x4) & of(x4,x5) & n_sea(x5) & n_walkway(x3) & a_paved(s1) & Theme(s1,x3) & Actor(e1,x2) & v_walk(e1) & (x1 = x2) & n_people(x1))
exists p1 x1.(exists x2 x3.(near(x1,x2) & n_port(x2) & of(x2,x3) & n_sea(x3)) & n_people(x1))